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asked Aug 12, 2017 178k views

2 votes

Helllllllllppppppp!!!!!

Mathematics
high-school

Tommizzle asked

by Tommizzle

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1 Answer

5 votes

Axis of symmetry formula is -b/2a.
-4/2(2)=-1
So, x=-1.
Find vertex by plugging in the x that we just found into equation.
y=2(-1)^2-4(-1)-3
y=2-4-3
y=-5
The third one down is the answer.

RussKie answered Aug 16, 2017

by RussKie

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