Homework Help Forum: math

Posted by Lila on Sunday, November 1, 2009 at 11:54pm.

i posted this earlier and i can't figure it out. Write an equation in slope intercept form of the line perpendicular to y=3/4x-2 and passes through(-12,7)

• math - drwls, Monday, November 2, 2009 at 12:30am

  The slope of the line must be -4/3, in order to be perpendicular to a line with slope 3/4. For the line to pass through (-12,7), the equation must be (y - 7) = (-4/3)(x + 12) = -(4/3)x -16 y = -(4/3)x -9

  
  

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