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What is the vertex of the graph shown below y=x^2+6x+5
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What is the vertex of the graph shown below y=x^2+6x+5

User David Arango
by
7.8k points

1 Answer

4 votes

x coordinate of the vertex:

use the
(-b)/(2a) formula to get


x = (-6)/(2) = -3

y coordinate of the vertex:

plug the x value in the parabola:


y(3) = (-3)^2+6(-3)+5 = 9-18+5=-4

So, the vertex lies at
(-3, -4)

User Austin Cory Bart
by
8.1k points
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