Help me please. Thank you
asked Feb 14 in Calculus Answers by lovelymath Level 2 User (1,860 points)

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1 Answer

The two lines are y=3x+a and y=-x/3+b, where a and b have to be found.

Plug in the point (1,2):

2=3+a so a=-1 and 2=-1/3+b, so b=7/3.

The equations are y=3x-1 and 3y=7-x (another way of writing y=-x/3+7/3). The lines are perpendicular to one another.

answered Feb 15 by Rod Top Rated User (487,100 points)
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