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At how many points do the graphs of the equations y = x^3 and y = x^2 + 4x intersect?

 Jun 1, 2020
 #1
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Use Desmos to graph each equation, and then count each intersection.

 

You'll find they intersect at (0,0), (-1.562, -3.808), and (2.562, 16.808).

 

There are 3 intersections.

 Jun 1, 2020

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