Posted by **Joyce** on Saturday, October 8, 2011 at 9:28pm.

Please help me solve this problem- Find an equation for the line perpendicular to 6x+2y=-2 having the same y-intercept as -4x-3y=6

- Linear equations -
**MathMate**, Sunday, October 9, 2011 at 10:21am
The first equation can be rewritten as:

y=-3x-2

so the slope of the first line

is m=-3

The slope of a line perpendicular to it is

m'=1/(-3)=-1/3

The second equation can be rewritten as:

-4x-3y=6

y=(-4/3)x -2

so the y-intercept is -2.

From the above steps, there should be enough information to find the new line required using the slope-intercept form of equations.

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