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Camden Lee
Mathematics
3 March, 05:41
What is the vertex of the graph - 2x^2+8x-3
+5
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2
)
Draven
3 March, 06:07
0
(2,5)
Step-by-step explanation:
The vertex of a quadratic equation is equal to - b/2a:
-8/2 (-2)
-8/-4
2
Plug x=2 into the function:
y=-2 (2) ^2+8 (2) - 3
y=-2 (4) + 16-3
y=-8+13
y=5
So the vertex of the graph is (2,5)
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Kara Branch
3 March, 06:08
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(2,5) is the answer I took the test today
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