dancinggeometry wrote:

In the xy-plane, at how many points do line y = 6 and curve \(y=|x^2-x-6|\) intersect?

0

1

2

3

4

E

6 = x^2 - x - 6

0 = x^2 - x - 12

0 = (x-4)(x+3)

x = 4 or -3

OR

-6 = x^2 - x - 6

0 = x^2 - x

0 = x*(x-1)

x = 0 or 1

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