Intermediate Algebra: Identifying Directions of Parabola. Quiz
Quiz Overview
Description
When a quadratic equation is graphed, it produces a curve that open up or down. However, you can determine the direction the graph will open even BEFORE graphing it. This done by examining the equation. If the equation is in the form y=x^2 the curve will open up. If the equation is in the form y=-x^2 will open down.