Answered

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PLS HELP ! 100 POINTS!!!!! Select the correct answer. This graph represents a quadratic function. What is the value of a in the function’s equation?

PLS HELP 100 POINTS Select The Correct Answer This Graph Represents A Quadratic Function What Is The Value Of A In The Functions Equation class=

Sagot :

wegnerkolmp2741o

Answer:

a = 3

Step-by-step explanation:

The vertex form of a quadratic is

y = a(x-h) ^2 +k  where ( h,k) is the vertex

the vertex is (-2,2)

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

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

Pick another point on the graph to determine a

(-1,5) and substitute into the equation

5 = a( -1+2) ^2 +2

5 = a(1)^2 +2

5 = a(1) +2

Subtract 2 from each side

5-2 = a+2-2

3 = a

cartershull3

Answer:

A=3

Step-by-step explanation:

I got it right on the test

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