Mary jo decided to solve the equation 3x-2=-x-6 by entering each of the exppressions into her graphing calculator. to solve the equation as a system, she entered y=3x-2 and y = - x-6. when she used the calculator to find the intersection, she found x=-1 and y=-5. is she right? if so show how she is correct

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Guest

4 October, 11:32

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Answers (1)

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Jax Beard · Answer 1

3x-2=-x-6

3x+x=2-6

4x=-4

x=-4/4=-1

y=3 * (-1) - 2=-3-2=-5

y = - (-1) - 6=1-6=-5

She is right.