How to compute and simplify the difference quotient of a linear function.
How to use matrices to solve a system of linear equations.
How to find the domain of a function when it has rational or radical expressions.
How to derive the quadratic formula by completing the square.
How a domain restriction affects the graph of a function.
How to evaluate a polynomial in function notation.
Short, helpful video on ACT Algebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.