26-10-2014
Mathematics

Answered

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

Answer :

konrad509 konrad509

26-10-2014

[tex]-4=3\cdot(-2)-2\\ -4=-6-2\\ -4=-8[/tex]

No.

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olemakpadu olemakpadu

26-10-2014

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.

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