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Mathematics 9 Online
OpenStudy (vshiroky):

Find an equation of a line that passes through (4,7) and is perpendicular to y=4x-4

OpenStudy (noseboy908):

Do you simply need this one verified too?

OpenStudy (vshiroky):

Yea y=-1/4x+8

OpenStudy (noseboy908):

You're almost correct. But, you forgot that part of point-slope is "...(x-4)", and not "...(x+4)" So, new answer?

OpenStudy (vshiroky):

I changed it because it was -1/4(-4)

OpenStudy (noseboy908):

ah, I'm sorry, you're correct.

OpenStudy (noseboy908):

Any more to verify? Just post them here if so.

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