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OpenStudy (anonymous):
F(x)=x^2+4x+3 How do you find the vertex
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OpenStudy (anonymous):
-b/2a, do you know what a and b are?
OpenStudy (anonymous):
No I don't
OpenStudy (anonymous):
a=1 b=4 The x^2 term is a, and the x term (4x) is b. Since x=1, a= 1 and b=4. Do you understand it a little?
OpenStudy (anonymous):
Yes a little
OpenStudy (anonymous):
Plug in those numbers into -b/2(a).
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OpenStudy (anonymous):
What do you get?
OpenStudy (anonymous):
-2
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