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OpenStudy (anonymous):
which of the following points lies in the plane represented by -2x+7y +2z=4 (0,0,9) (-2,-7,20) (-10,8,5) (4,4,-8)
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OpenStudy (anonymous):
Plug in the coordinates of those points and see.
OpenStudy (anonymous):
no like that was a multiple choice. the points are multiple choice answers
OpenStudy (anonymous):
Okay? You test the points until you find one that indeed satisfies the equation.
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