Selecting Tools for Coordinate Geometry Problems

111.41(b)(2)(B)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

derive and use the distance, slope, and midpoint formulas to verify geometric relationships, including congruence of segments and parallelism or perpendicularity of pairs of lines; and

111.41(b)(1)(C)Texas Essential Knowledge and Skills (TEKS) · Math · 10th Grade

select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;