Find the quadratic functionf(x) satisfying: the graph passes through the origin the vertex is ( -2 , -2 ) f(x)=1/2x^2+8x f(x)=1/2x^2-4x f(x)=-1/2x^2-2x f(x)=1/2x^2+2x f(x)=1/2x^2-2x

Bruno Thompson 2022-07-26 Answered
Find the quadratic functionf(x) satisfying:
the graph passes through the origin
the vertex is ( -2 , -2 )
a) f ( x ) = 1 2 x 2 + 8 x
b) f ( x ) = 1 2 x 2 4 x
c) f ( x ) = 1 2 x 2 2 x
d) f ( x ) = 1 2 x 2 + 2 x
e) f ( x ) = 1 2 x 2 2 x
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Answers (1)

Killaninl2
Answered 2022-07-27 Author has 20 answers
V e r t e x : ( b 2 a , f ( b 2 a ) )
correct answer: d
x = b 2 a = 2 2 ( 1 / 2 ) = 2
f ( 2 ) = 1 2 ( 2 ) 2 + 2 ( 2 ) = 2 4 = 2

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