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MatroZZZ [7]
3 years ago
6

The vertex of the graph of a quadratic function is (–2, –9) and the y-intercept is (0, –5). Which of the following is the equati

on of the function?
Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

D. On edge

Step-by-step explanation:

allochka39001 [22]3 years ago
5 0
F(x)=a(x-h)^2 + k
f(x)=a(x + 2)^2 - 9
f(0)=5
5=a(0+2)^2 - 9
5=4a-9
4a=14
a= 7/2
f(x)=7/2(x^2 + 4x + 4)-9
=7/2x^2 +14x + 14 - 9
f(x)=3.5x^2 +14x + 5
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