Question 110399
Axis of symmetry= -b/2a
y=x^2+7x+10
a=1, b=7, c=10
-7/2=-3.5
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Another way is to find the average of the x intercepts
(x+5)(x+2)=0
x=-2, x=-5
(-2-5)/2=-7/2=-3.5
{{{graph(500,500,-10,10,-10,10,x^2+7x+10)}}}
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Ed