Which equation matches the graph?

Algebra
Tutor: None Selected Time limit: 1 Day

Apr 27th, 2015

It's a parabola intersecting the x-axis at -1, -4. and the y axis at y=4.

y= A(x+1)(x+4)

and at x=0 we must have A(0+1)(0+4)=4 thus 4A=4  or A=1

The function is y=(x+1)(x+4)=x^2+5x+4

pls. best

Apr 27th, 2015

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Apr 27th, 2015
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Apr 27th, 2015
Dec 6th, 2016
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