Find an equation of the following parallel and perpendicular lines.

A.) The line parallel to and passing through

B.) The line perpendicular to passing through

Is there a specific formula I can use to to solve these?

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- June 3rd 2010, 12:35 AMlarry21Find Equation of Parallel and Perpendicular Lines
Find an equation of the following parallel and perpendicular lines.

A.) The line parallel to and passing through

B.) The line perpendicular to passing through

Is there a specific formula I can use to to solve these? - June 3rd 2010, 12:43 AMharish21
- June 3rd 2010, 12:47 AMundefined
- June 3rd 2010, 01:14 AMnikhil
1)required line is parallel to x+3=0 and passes through (-6,-7)

equation of such line will be x=c. since it passes through (-6,-7)

-6=c or

x=-6

x+6=0

[NOTE: line x+k=0 is perpendicular to x axis so any line parallel to it must also be perpendicular to x axis and in the form x+k=0]

2) line perpendicular to y-4=0 will be in the form x=c.

since it passes through(-1,6)

we have -1=c

or c=-1

x=-1

x+1=0