paulanorris49 paulanorris49

11-04-2020
Mathematics

contestada

a quadratic function is f(x)=a(x+3)^2-4 and goes through the point (-2,2) What is the value of a?

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jimrgrant1 jimrgrant1

11-04-2020

Answer:

a = 6

Step-by-step explanation:

Given

y = a(x + 3)² - 4

To find a substitute (- 2, 2) into the equation

2 = a(- 2 + 3)² - 4

2 = a(1)² - 4 ( add 4 to both sides )

6 = a

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