SOLUTION: Graph the parabola x^2+8x-5y+21=0 I need help with the points. Thanks

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Question 404479: Graph the parabola
x^2+8x-5y+21=0
I need help with the points. Thanks

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+8x-5y+21=0
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5y = x^2+8x+21
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y = (1/5)(x^2+8x+21)
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If x=0, y = 21/5
If x=-6,y = 9/5
If x=-4,y = 1
If x=-2,y = 9/5
If x= 0, y = 21/5
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graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C%281%2F5%29%28x%5E2%2B8x%2B21%29%29
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Cheers,
Stan H.