aylinmora326 aylinmora326

19-05-2021
Mathematics

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What is the equation in vertex form of the quadratic function with a vertex at (-1,-4) that goes through (1,8)?

What is the equation in vertex form of the quadratic function with a vertex at 14 that goes through 18 class=

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bakanda bakanda

19-05-2021

Answer:

G

Step-by-step explanation:

vertex formula = a(x-h)^2 + k

vertex is (h, k) so (-1, -4) means

y = a(x+1)^2-4

passes through (1, 8) so when x = 1 and y = 8

8 = a(1+1)^2-4 = 4a - 4

4a = 4

a = 1

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