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Which options show the correct steps for finding the x-coordinate of the vertex in the equation y=x^2+6x+8?

Which options show the correct steps for finding the x-coordinate of the vertex in the equation y=x^2+6x+8?
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3 votes
Which options show the correct steps for finding the x-coordinate of the vertex in the equation y=x^2+6x+8?

User Premchand
by
8.0k points

1 Answer

6 votes
hello :
y = (x² +2(3)x +3²) -3²+8
y= (x+3)² -1
the vertex is : (-3 , -1)
User Pallav Raj
by
7.2k points
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