DedraKerney DedraKerney

07-08-2014
Mathematics

Answered

Equation of the line parallel to the equation y = -2x - 7 that passes through the point (3, 1).

Answer :

konrad509 konrad509

07-08-2014

[tex]1=-2\cdot3+b\\ 1=-6+b\\ b=7\\\\ y=-2x+7[/tex]

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07-08-2014

[tex]y=-2x-7\\\\equation\ of\ line\ parallel\ to \given \one\\\\y=ax+b\\\\If\ line\ is\ parallel\ a=-2\\\\y=-2x+b\\\\Substituting\ point\ (3,1)\\\\1=-2*3+b\\\\1=-6+b\\\\1+6=b\\\\b=7\\\\Equation\ of\ line\ y=-2x+7[/tex]

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