Posted by babygirl on Sunday, August 28, 2011 at 7:21pm.
write the slopeintercept equation for the line that passes through (8,11) and is perpendicular to 2x7y=14

algebra  MathMate, Sunday, August 28, 2011 at 9:09pm
Lines perpendicular to:
2x7y=14
would have the form:
7x+2y=k
where k is a constant to be determined using the point (8,11).
Substitute x=8, y=11, we get
7(8)+2(11)=k
=>
k=34
The line is therefore
7x+2y=34
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