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PLEASE HELP!

Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). The vertex of a parabola is (-2, -20), and its y-intercept is (0, -12).
The equation of the parabola is y = x2 + x + .

PLEASE HELP Type the correct answer in each box Use numerals instead of words If necessary use for the fraction bars The vertex of a parabola is 2 20 and its yi class=

Respuesta :

ferrybukantoro

Step-by-step explanation:

-12 = a(0+2)²-20

-12=4a -20

4a = 20-12

4a=8

a=2

y = 2x²+ 8x -12

=> y = 2 x² + 8 x + -12

2 , 8 , -12

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