The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrices; conic sections; and probability and combinatorics. It also has two optional units on series.
Practice Trig identities from reflections and rotations Get 3 of 4 questions to level up!
Practice Add & subtract rational expressions (basic) Get 3 of 4 questions to level up!
Practice Removable discontinuities 4 questions Practice Quiz 4 Identify your areas for growth in these lessons:
Get ready for Precalculus! Learn the skills that will set you up for success in complex numbers; polynomials; composite and inverse functions; trigonometry; vectors and matrices; series; conic.
Aligned with the Texas Essential Knowledge and Skills (TEKS), this Precalculus course builds a strong foundation in advanced algebraic skills, trigonometric functions, polar coordinates, vectors and conics.
Restrict domains of functions to make them invertible Get 3 of 4 questions to level up!
Practice Vector components from magnitude & direction Get 3 of 4 questions to level up! Practice Not started
Practice Use matrices to represent systems of equations Get 3 of 4 questions to level up!
Take the Khan Academy Precalculus course challenge to test your knowledge and identify areas for improvement.
