SOLUTION: Write in vertex form. Sketch a graph of the function and label its vertex. 1. y = 3x^2 + 18x

Algebra ->  Graphs -> SOLUTION: Write in vertex form. Sketch a graph of the function and label its vertex. 1. y = 3x^2 + 18x      Log On


   

Question 311266: Write in vertex form. Sketch a graph of the function and label its vertex.
1. y = 3x^2 + 18x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Complete the square.
y=3x%5E2%2B18x
y=3%28x%5E2%2B6x%29
y=3%28x%5E2%2B6x%2B9%29-27
y=3%28x%2B3%29%5E2-27
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Vertex:(-3,-27)
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