Number of solutions to linear equations

Basic lines

Slope: rise over run, or \(\frac{\Delta y}{\Delta x}\)

Forms

Sequences: basic

Systems of equations

Methods for solving
Number of solutions

Exponents and square roots

Properties

Other notes

Square roots

Factorization

Splitting the middle term

Factoring by grouping

Perfect square form

Solving quadratics

Forms

Quadratic formula

Discriminant

\(b^2-4ac\)