This algebra math tutorial explains how to find the X and Y intercepts of a quadratic function given in standard from. We will work through quadratic functions with two X intercepts, one X intercept and no X intercept. The X-intercepts are the points on the parabola where Y equals zero. To solve the resulting quadratic equation we will use factoring, the AC method, factoring by grouping and the quadratic formula. We will also discuss the relationship between the discriminant, the solutions and the X-intercepts.
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0:00 Intro
0:08 Quadratic function with two x-intercepts
1:50 Quadratic function with one x-intercepts
4:40 Quadratic function with no x-intercepts
6:05 Discriminant and the number of x-intercepts