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Elan Coil [88]
2 years ago
7

This graph represents a quadratic function. An upward parabola on a coordinate plane vertex at (minus 2, 2) and passes through (

minus 3, 5) and (minus 1, 5). What is the value of a in the function’s equation? A. -2 B. -3 C. 2 D. 3
Mathematics
1 answer:
krok68 [10]2 years ago
4 0

Answer: 3

Step-by-step explanation:

Substituting into vertex form, the equation is

y=a(x+2)^2 +2

Substituting in the coordinates (-3, 5),

5=a(-3+2)^2 +2\\\\5=a+2\\\\a=3

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