How to calculate and interpret the discriminant of a quadratic equation.
How to write a function to describe a table of values.
How to write an equation to describe a set of pictures.
How to graph the reciprocal of a linear function.
How to tell if two variables vary directly.
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
Short, helpful video on ACT Geometry by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
How to identify the graph of a stretched cosine curve.
How to determine what form an equation is written in.
How to calculate the measure of an inscribed angle.
How to define a secant; how to find the length of various secants in circles.
How to derive the formula to calculate the area of a sector in a circle.
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.
How to graph y = tan(q) for one or more periods.
How to talk about the rectangular coordinate system.