Find the value of x and the value of y. a. x = 15, y = 10 b. x = 20, y = 50 c. x = 50, y = 10 d. x = 50, y = 20

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36