In this concept we will be identifying x-intercepts, y-intercepts, vertex (max/min), axis of quadratics and graphing them. The quadratic is in standard form.This picture illustrates the process involved in finding the parts to a quadratic function. The parent function, vertex, y-intercept, axis of symmetry, and x-intercepts must be found using the standard form.
Realize that the quadratic is facing downward because the "a" value is negative. Also, when completing the square, make sure the right value for "b" is kept and no improper change is made, specially when taking out the "a" coefficient. Use a calculator to find the x-intercepts. Good Luck!
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