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denni denni
  • 26-10-2014
  • Mathematics
Answered

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

Verified Answer :

konrad509
konrad509 konrad509
  • 26-10-2014

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

No.

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olemakpadu
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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