SOLUTION: Determine the quadratic function f whose graph is given. The vertex is (-2,-6) and the y-intercept is -2 (type the answer in the form f(x)=ax^+bx+c

Algebra ->  Coordinate-system -> SOLUTION: Determine the quadratic function f whose graph is given. The vertex is (-2,-6) and the y-intercept is -2 (type the answer in the form f(x)=ax^+bx+c      Log On


   

Question 862345: Determine the quadratic function f whose graph is given.
The vertex is (-2,-6) and the y-intercept is -2
(type the answer in the form f(x)=ax^+bx+c
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!



Hi

 y = a(x+2)^2 - 6    y-intercept is -2  P(0,-2)

 -2 = 4a - 6

4 = 4a

 a = 1

 y = (x+2)^2 - 6 = x^2 + 4x -2