
Public learning track
Complex Numbers and Operations
9th Grade · Math · Open Global Math
7 lessons
Goal
Define the imaginary unit, represent complex numbers in standard form, and perform complex arithmetic.
Featured Diagrams
Simplifying Expressions with Imaginary Numbers
7 lessons
0 of 7 done
- 1Simplifying Expressions with Imaginary NumbersUp nextStart
- 2Evaluating Cyclical Powers of the Imaginary UnitPremiumNot started yet
- 3Representing Complex Numbers in Standard FormNot started yet
- 4Adding and Subtracting Complex NumbersNot started yet
- 5Multiplying Complex Numbers and Using i-SquaredNot started yet
- 6Complex Conjugates and Dividing Complex NumbersNot started yet
- 7Solving Quadratic Equations with Complex SolutionsNot started yet
Curriculum Framework
9th Grade · Math · Open Global Math
1
7 lessons
Real Number System, Density, and Infinite Decimals
Master the structure of real numbers, one-to-one number line correspondence, arithmetic closures, and infinite decimal representations.
2
7 lessons
Radicals, Higher-Order Roots, and Radical Simplification
Simplify numerical and variable radical expressions, compute higher-order roots, and rationalize denominators.
3
7 lessons
Rational Exponents and Radical Equations
Unify radical and exponent notation, simplify expressions using exponent laws, and solve equations with rational exponents.
4
8 lessons
Scientific Notation, Error Analysis, and Unit Conversions
Represent extreme physical scales, calculate absolute, relative, and percentage errors, and convert compound units including digital data rates.
5
7 lessons
Complex Numbers and Operations
Define the imaginary unit, represent complex numbers in standard form, and perform complex arithmetic.