SOLUTION: Write in vertex form. Sketch a graph of the function and label its vertex. 1. y = x^2 + 4x - 7

Algebra ->  Graphs -> SOLUTION: Write in vertex form. Sketch a graph of the function and label its vertex. 1. y = x^2 + 4x - 7      Log On


   

Question 311264: Write in vertex form. Sketch a graph of the function and label its vertex.
1. y = x^2 + 4x - 7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Complete the square.
y=x%5E2%2B4x-7
y=%28x%5E2%2B4x%2B4%29-7-4
y=%28x%2B2%29%5E2-11
.
.
Vertex: (-2,-11)
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.