D dieggo New member Joined Sep 3, 2006 Messages 17 Sep 3, 2006 #1 I have a homework question which concerns linear equations: Find the equation of a line that goes through the point (5,-1) and is perpendicular to the graph of y = 1/3x + 1. Write the equation in slope-intercept form. Please help me. Thank you!

I have a homework question which concerns linear equations: Find the equation of a line that goes through the point (5,-1) and is perpendicular to the graph of y = 1/3x + 1. Write the equation in slope-intercept form. Please help me. Thank you!

P peacefreak77 New member Joined Aug 22, 2006 Messages 32 Sep 4, 2006 #2 If the line is perpendicular, you know the slope is the reciprocal negative, so your slope would be m = -3. Then you have y = -3x + b. If you plug in your point, you can solve for b.

If the line is perpendicular, you know the slope is the reciprocal negative, so your slope would be m = -3. Then you have y = -3x + b. If you plug in your point, you can solve for b.