<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #ffffff;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
      user-select: none;
    }

    .diagram {
      width: 100%;
      max-width: 440px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: center;
    }

    /* Relationship Banner */
    .flow-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      padding: 5px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 700;
      color: #475569;
      letter-spacing: 0.3px;
    }
    .flow-badge svg {
      width: 16px;
      height: 16px;
      stroke: #0284c7;
      fill: none;
      stroke-width: 2.5;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    /* Table Container */
    .table-container {
      width: 100%;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 8px;
      position: relative;
    }

    .column {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    /* Headers */
    .header-box {
      border-radius: 8px;
      padding: 8px 6px;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .header-box.independent {
      background: #e0f2fe;
      border: 1.5px solid #7dd3fc;
    }
    .header-box.dependent {
      background: #dcfce7;
      border: 1.5px solid #86efac;
    }

    .col-title {
      font-size: 13px;
      font-weight: 700;
      line-height: 1.2;
    }
    .independent .col-title { color: #0369a1; }
    .dependent .col-title { color: #15803d; }

    .col-sub {
      font-size: 11px;
      font-weight: 600;
      opacity: 0.85;
      text-transform: uppercase;
      letter-spacing: 0.4px;
    }
    .independent .col-sub { color: #0284c7; }
    .dependent .col-sub { color: #16a34a; }

    /* Cells */
    .cell {
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 700;
      border-radius: 6px;
      cursor: pointer;
      transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
    }

    .cell.left {
      background: #f0f9ff;
      border: 1px solid #bae6fd;
      color: #0369a1;
    }
    .cell.right {
      background: #f0fdf4;
      border: 1px solid #bbf7d0;
      color: #15803d;
    }

    /* Active Highlight State */
    .row-active .cell.left {
      background: #0284c7;
      border-color: #0284c7;
      color: #ffffff;
      box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
    }
    .row-active .cell.right {
      background: #16a34a;
      border-color: #16a34a;
      color: #ffffff;
      box-shadow: 0 2px 8px rgba(22, 163, 74, 0.35);
    }

    /* Connectors Column */
    .connectors {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding-top: 48px; /* Offset for table header */
    }
    .connector-slot {
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
    }
    .arrow-icon {
      width: 18px;
      height: 18px;
      fill: none;
      stroke: #cbd5e1;
      stroke-width: 2.5;
      stroke-linecap: round;
      stroke-linejoin: round;
      transition: stroke 0.2s ease, transform 0.2s ease;
    }
    .row-active .arrow-icon {
      stroke: #0284c7;
      transform: translateX(2px);
    }

    /* Interactive Controls */
    .controls {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-top: 2px;
    }
    .btn-step {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      padding: 4px 10px;
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: all 0.15s ease;
    }
    .btn-step.active {
      background: #0284c7;
      border-color: #0284c7;
      color: #ffffff;
    }
  </style>
</head>
<body>

  <div class="diagram">
    
    <div class="flow-badge">
      <span>Independent</span>
      <svg viewBox="0 0 24 24"><path d="M5 12h14M13 5l7 7-7 7"/></svg>
      <span>Determines</span>
      <svg viewBox="0 0 24 24"><path d="M5 12h14M13 5l7 7-7 7"/></svg>
      <span>Dependent</span>
    </div>

    
    <div class="table-container">
      
      <div class="column">
        <div class="header-box independent">
          <span class="col-title">Hours Studied (h)</span>
          <span class="col-sub">Independent (x)</span>
        </div>
        <div class="cell left" data-row="0">1</div>
        <div class="cell left" data-row="1">2</div>
        <div class="cell left" data-row="2">3</div>
        <div class="cell left" data-row="3">4</div>
      </div>

      
      <div class="connectors">
        <div class="connector-slot" data-row="0">
          <svg class="arrow-icon" viewBox="0 0 24 24"><path d="M5 12h14M13 6l6 6-6 6"/></svg>
        </div>
        <div class="connector-slot" data-row="1">
          <svg class="arrow-icon" viewBox="0 0 24 24"><path d="M5 12h14M13 6l6 6-6 6"/></svg>
        </div>
        <div class="connector-slot" data-row="2">
          <svg class="arrow-icon" viewBox="0 0 24 24"><path d="M5 12h14M13 6l6 6-6 6"/></svg>
        </div>
        <div class="connector-slot" data-row="3">
          <svg class="arrow-icon" viewBox="0 0 24 24"><path d="M5 12h14M13 6l6 6-6 6"/></svg>
        </div>
      </div>

      
      <div class="column">
        <div class="header-box dependent">
          <span class="col-title">Test Score (s)</span>
          <span class="col-sub">Dependent (y)</span>
        </div>
        <div class="cell right" data-row="0">70</div>
        <div class="cell right" data-row="1">80</div>
        <div class="cell right" data-row="2">90</div>
        <div class="cell right" data-row="3">100</div>
      </div>
    </div>

    
    <div class="controls">
      <button class="btn-step" data-step="0">Row 1</button>
      <button class="btn-step" data-step="1">Row 2</button>
      <button class="btn-step" data-step="2">Row 3</button>
      <button class="btn-step" data-step="3">Row 4</button>
    </div>
  </div>

  <script>
    let currentRow = 0;
    let autoInterval = null;

    const leftCells = document.querySelectorAll('.cell.left');
    const rightCells = document.querySelectorAll('.cell.right');
    const connectors = document.querySelectorAll('.connector-slot');
    const buttons = document.querySelectorAll('.btn-step');

    function setActiveRow(index) {
      currentRow = index;

      leftCells.forEach((c, i) => {
        c.parentElement.parentElement.querySelectorAll(`[data-row="${i}"]`).forEach(el => {
          el.classList.toggle('row-active', i === index);
        });
        c.classList.toggle('row-active', i === index);
      });

      rightCells.forEach((c, i) => {
        c.classList.toggle('row-active', i === index);
      });

      buttons.forEach((btn, i) => {
        btn.classList.toggle('active', i === index);
      });
    }

    function startAutoCycle() {
      if (autoInterval) clearInterval(autoInterval);
      autoInterval = setInterval(() => {
        currentRow = (currentRow + 1) % 4;
        setActiveRow(currentRow);
      }, 3000);
    }

    // Attach click events
    [...leftCells, ...rightCells, ...connectors].forEach(el => {
      el.addEventListener('click', () => {
        const row = parseInt(el.getAttribute('data-row'), 10);
        setActiveRow(row);
        startAutoCycle(); // Reset timer on interaction
      });
    });

    buttons.forEach((btn, i) => {
      btn.addEventListener('click', () => {
        setActiveRow(i);
        startAutoCycle();
      });
    });

    // Initialize
    setActiveRow(0);
    startAutoCycle();
  </script>
</body>
</html>

Identifying Independent and Dependent Quantities from Tables

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="1:1">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: transparent;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
      user-select: none;
    }

    .table-container {
      width: 100%;
      max-width: 440px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      position: relative;
    }

    .row-card {
      border-radius: 12px;
      padding: 10px 12px;
      display: grid;
      grid-template-columns: 110px 1fr 1fr 1fr 1fr;
      align-items: center;
      gap: 6px;
      transition: box-shadow 0.25s ease;
    }

    .independent-card {
      background: #f0f9ff;
      border: 2px solid #bae6fd;
    }

    .dependent-card {
      background: #faf5ff;
      border: 2px solid #e9d5ff;
    }

    .header-cell {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .label-main {
      font-size: 13px;
      font-weight: 700;
      line-height: 1.2;
    }

    .independent-card .label-main { color: #0369a1; }
    .dependent-card .label-main { color: #7e22ce; }

    .tag-pill {
      display: inline-block;
      align-self: flex-start;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 2px 6px;
      border-radius: 4px;
      margin-top: 2px;
    }

    .tag-blue {
      background: #0284c7;
      color: #ffffff;
    }

    .tag-purple {
      background: #9333ea;
      color: #ffffff;
    }

    .sub-role {
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
    }

    .val-cell {
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 17px;
      font-weight: 700;
      border-radius: 8px;
      background: #ffffff;
      border: 1.5px solid rgba(0, 0, 0, 0.06);
      cursor: pointer;
      transition: all 0.2s ease;
      color: #1e2945;
    }

    .independent-card .val-cell.active {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
      box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
    }

    .dependent-card .val-cell.active {
      background: #9333ea;
      color: #ffffff;
      border-color: #9333ea;
      box-shadow: 0 4px 10px rgba(147, 51, 234, 0.3);
    }

    /* Connector area */
    .connector-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 2px 0;
      font-size: 12px;
      font-weight: 700;
      color: #475569;
    }

    .arrow-icon {
      font-size: 14px;
      color: #0284c7;
    }

    .rule-badge {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 3px 10px;
      border-radius: 12px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
      color: #0f172a;
    }

    .helper-text {
      text-align: center;
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
      margin-top: 10px;
    }

    @media (max-width: 380px) {
      .row-card {
        grid-template-columns: 95px 1fr 1fr 1fr 1fr;
        padding: 8px;
        gap: 4px;
      }
      .label-main { font-size: 12px; }
      .sub-role { font-size: 10px; }
      .val-cell { font-size: 15px; height: 42px; }
    }
  </style>
</head>
<body>

  <div class="table-container">
    
    <div class="row-card independent-card">
      <div class="header-cell">
        <span class="label-main">Gallons (g)</span>
        <span class="tag-pill tag-blue">Independent</span>
        <span class="sub-role">Input (x)</span>
      </div>
      <div class="val-cell active" data-col="0">2</div>
      <div class="val-cell" data-col="1">4</div>
      <div class="val-cell" data-col="2">6</div>
      <div class="val-cell" data-col="3">8</div>
    </div>

    
    <div class="connector-bar">
      <span class="arrow-icon">▼</span>
      <span class="rule-badge" id="ruleLabel">2 gal × $3.50 = $7</span>
      <span class="arrow-icon">▼</span>
    </div>

    
    <div class="row-card dependent-card">
      <div class="header-cell">
        <span class="label-main">Cost (c)</span>
        <span class="tag-pill tag-purple">Dependent</span>
        <span class="sub-role">Output (y)</span>
      </div>
      <div class="val-cell active" data-col="0">$7</div>
      <div class="val-cell" data-col="1">$14</div>
      <div class="val-cell" data-col="2">$21</div>
      <div class="val-cell" data-col="3">$28</div>
    </div>

    <div class="helper-text">Gas amount <b>determines</b> total cost</div>
  </div>

  <script>
    const data = [
      { g: 2, c: 7 },
      { g: 4, c: 14 },
      { g: 6, c: 21 },
      { g: 8, c: 28 }
    ];

    const ruleLabel = document.getElementById('ruleLabel');
    const cells = document.querySelectorAll('.val-cell');
    let activeIndex = 0;
    let autoTimer = null;

    function selectColumn(idx) {
      activeIndex = idx;
      cells.forEach(cell => {
        const col = parseInt(cell.getAttribute('data-col'), 10);
        if (col === idx) {
          cell.classList.add('active');
        } else {
          cell.classList.remove('active');
        }
      });
      const item = data[idx];
      ruleLabel.textContent = `${item.g} gal × $3.50 = $${item.c}`;
    }

    cells.forEach(cell => {
      cell.addEventListener('click', () => {
        clearInterval(autoTimer);
        const col = parseInt(cell.getAttribute('data-col'), 10);
        selectColumn(col);
        startAuto();
      });
    });

    function startAuto() {
      autoTimer = setInterval(() => {
        activeIndex = (activeIndex + 1) % data.length;
        selectColumn(activeIndex);
      }, 3000);
    }

    startAuto();
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      width: 100%;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      background: transparent;
      padding: 16px 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
    }

    .flow-container {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      max-width: 480px;
    }

    .node {
      flex: 1;
      min-width: 120px;
      border-radius: 12px;
      padding: 12px 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .node-x {
      background: #eff6ff;
      border: 2px solid #3b82f6;
    }

    .node-y {
      background: #fff7ed;
      border: 2px solid #f97316;
    }

    .tag {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 4px;
      line-height: 1.2;
    }

    .tag-x { color: #2563eb; }
    .tag-y { color: #ea580c; }

    .node-title {
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      margin-bottom: 8px;
    }

    .value-display {
      font-size: 20px;
      font-weight: 800;
      color: #1e2945;
    }

    .stepper {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 6px;
    }

    .btn-step {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      border: 1px solid #cbd5e1;
      background: #ffffff;
      color: #1e2945;
      font-size: 16px;
      font-weight: bold;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      user-select: none;
      transition: background 0.15s ease;
    }

    .btn-step:active {
      background: #e2e8f0;
    }

    .arrow-col {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      padding: 0 4px;
    }

    .rule-pill {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 4px 8px;
      font-size: 12px;
      font-weight: 700;
      color: #334155;
      white-space: nowrap;
      margin-bottom: 4px;
    }

    .arrow-icon {
      font-size: 22px;
      color: #64748b;
      line-height: 1;
    }

    .banner {
      margin-top: 18px;
      width: 100%;
      max-width: 480px;
      padding: 10px 14px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      text-align: center;
      font-size: 13px;
      font-weight: 600;
      color: #1e2945;
    }

    .highlight-y {
      color: #ea580c;
      font-weight: 800;
    }

    .highlight-x {
      color: #2563eb;
      font-weight: 800;
    }

    @media (max-width: 360px) {
      .node { padding: 10px 6px; }
      .value-display { font-size: 18px; }
      .tag { font-size: 10px; }
      .node-title { font-size: 12px; }
      .rule-pill { font-size: 11px; padding: 3px 6px; }
      .banner { font-size: 12px; padding: 8px 10px; }
    }
  </style>
</head>
<body>

  <div class="flow-container">
    
    <div class="node node-x">
      <span class="tag tag-x">Input (x)</span>
      <span class="node-title">Independent</span>
      <div class="value-display" id="carsLabel">3 Cars</div>
      <div class="stepper">
        <button class="btn-step" id="btnDec" aria-label="Decrease cars">−</button>
        <button class="btn-step" id="btnInc" aria-label="Increase cars">+</button>
      </div>
    </div>

    
    <div class="arrow-col">
      <div class="rule-pill">× $8 / car</div>
      <div class="arrow-icon">➔</div>
    </div>

    
    <div class="node node-y">
      <span class="tag tag-y">Output (y)</span>
      <span class="node-title">Dependent</span>
      <div class="value-display" id="earnedLabel" style="margin-top: 14px; margin-bottom: 14px;">$24</div>
    </div>
  </div>

  
  <div class="banner">
    <span class="highlight-y">Total Earned</span> DEPENDS ON <span class="highlight-x">Cars Washed</span>
  </div>

  <script>
    let cars = 3;
    const rate = 8;

    const carsLabel = document.getElementById('carsLabel');
    const earnedLabel = document.getElementById('earnedLabel');
    const btnDec = document.getElementById('btnDec');
    const btnInc = document.getElementById('btnInc');

    function update() {
      carsLabel.textContent = cars + (cars === 1 ? ' Car' : ' Cars');
      earnedLabel.textContent = '$' + (cars * rate);
      btnDec.disabled = cars <= 1;
      btnDec.style.opacity = cars <= 1 ? '0.4' : '1';
      btnInc.disabled = cars >= 10;
      btnInc.style.opacity = cars >= 10 ? '0.4' : '1';
    }

    btnDec.addEventListener('click', () => {
      if (cars > 1) {
        cars--;
        update();
      }
    });

    btnInc.addEventListener('click', () => {
      if (cars < 10) {
        cars++;
        update();
      }
    });

    update();
  </script>
</body>
</html>

111.26(b)(6)(A)

Aligned learning resources

Related diagrams