Is the coordinate (-2, -4) a solution to the equation y=3x-2

asked Jan 4, 2015 107k views

2 votes

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3 votes

Test: (x, y) = (-2, -4):

y = 3x -2

-4 = 3(-2) -2

-4 = -6 -2

-4 = -8. This is not true. Therefore (-2, -4) is not a solution.

Cais Manai answered Jan 5, 2015

7.8k points

4 votes

$-4=3\cdot(-2)-2\\ -4=-6-2\\ -4=-8$

No.

Gnebehay answered Jan 9, 2015

8.8k points

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