rosenbergnoah rosenbergnoah

22-03-2017
Mathematics

contestada

Identify the vertex for the graph of y = 2x2 + 8x − 3

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SoccerGirl920 SoccerGirl920

22-03-2017

Here is an image of what the graph should look like.
Hope this helped!

Ver imagen SoccerGirl920

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22-03-2017

Vertex formula:
x = -b/2a
x = -8/4
x = -2
Plug -2 in for x and solve for y
y = 2(-2)^2 + 8(-2) -3
y = 8 -16 -3
y = -11
Vertex (-2, -11)

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