jonathanpalushaj
jonathanpalushaj
17-03-2017
Mathematics
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Vertex of the graph of y=x^2+4x
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bcalle
bcalle
17-03-2017
x = -b/2a
x = -4/2 = -2
To find y, plug -2 back into original function.
y = (-2)^2 + 4(-2)
y = 4 - 8
y = -4
Vertex (-2,-4)
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iiGalaxy
iiGalaxy
17-03-2017
The answer is (-2,-4)
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