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When the two equations are graphed on a coordinate plane, they intersect at two points.

y=3x2+4x+4

y=−2x+4

What are the points of intersection?

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(
,
) and (
,
)
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User Alphapage
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1 Answer

1 vote

Answer:

(0,4) and (-2,0)

Explanation:

y=3x²+4x+4

y = -2x +4

3x²+4x+4 = - 2x +4

3x²+6x=0

3x(x+2)=0

x=0, x= -2

x=0, y=-2x+4= -2*0 + 4 =4, (0,4)

x= - 2, y = 2x + 4= 2*(-2) +4=0, (-2,0)

User Agush
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