amandatestigo amandatestigo

02-04-2020
Mathematics

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Show all your work to find the axis of symmetry of f(x) = −2(x − 4)^2 + 2.

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Larrysammz Larrysammz

02-04-2020

Answer:

-2(x^2+15)

Step-by-step explanation:

f(x) = −2(x − 4)^2 + 2.

Expanding (x-4)^2

(x-4)(x+4)

x(x+4)-4(x+4)

x^2+4x-4x-16

x^2-16

F(x) = -2(x^2-16)+2

-2x^2-32+2

-2x^2-30

-2(x^2+15)

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