# What is the axis of symmetry and vertex for the graph #y=2x^2 +8x-3#?

##### 1 Answer

Feb 28, 2016

#### Explanation:

From the given

from the first two terms of the right side of the equation, factor out the number 2 then complete the square.

by inspection , we can see that

graph{(x--2)^2=1/2(y--11)[-20,20,-12,10]}

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