SOLUTION: What is the vertex of y=2x squared + 4x -3

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Question 1169356: What is the vertex of y=2x squared + 4x -3
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
y=2x%5E2%2B4x-3
y=2%28x%5E2%2B2x-3%2F2%29
y=2%28x%5E2%2B2x%2B1-1-3%2F2%29
y=2%28%28x%2B1%29%5E2-2%2F2-3%2F2%29
y=2%28%28x%2B1%29%5E2-5%2F2%29
highlight_green%28y=2%28x%2B1%29%5E2-5%29

vertex (-1,-5)

Answer by MathTherapy(10555) About Me  (Show Source):
You can put this solution on YOUR website!

What is the vertex of y=2x squared + 4x -3
Vertex: 


x-coordinate of vertex: 

y-coordinate of vertex: 
                                    matrix%282%2C3%2C+f%28-+1%29%2C+%22=%22%2C+2+-+4+-+3%2C+f%28-+1%29%2C+%22=%22%2C+-+5%29%29

Vertex: highlight_green%28matrix%281%2C2%2C+%22%28-+1%2C%22%2C+%22-+5%29%22%29%29