What are the points where the graph p(x)= x2 + x - 12 intersects the x axis?
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9
x^2+x-12=0
x^2+4x-3x-12=0
p(x) intersects x axis at -4;3
x^2+4x-3x-12=0
p(x) intersects x axis at -4;3
Answered by
6
the point where y=p(x) intersect the x-axis is at y=0
x^2+x-12=0
x^2+4x-3x-12=0
x(x+4)-3(x+4)=0
(x-3)(x+4)=0
at x =3,-4 it will intersect y-axis
x^2+x-12=0
x^2+4x-3x-12=0
x(x+4)-3(x+4)=0
(x-3)(x+4)=0
at x =3,-4 it will intersect y-axis
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