www.varsitytutors.com/act_math-help/how-to-find-the-equation-of-a-perpendicular-line

First, put the equation of the line given into slope-intercept form by solving for y. You get y = -2x +5, so the slope is –2. Perpendicular lines have opposite- reciprocal .....

www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-parallel-perpendicular-eq/v/perpendicular-lines-2

For example, Find the distance between the point (2,6) and the line y=−2x. This tells me that the slope of the perpendicular line is 1/2. The equation for my second ...

www.khanacademy.org/math/geometry/hs-geo-analytic-geometry/hs-geo-parallel-perpendicular-eq/v/perpendicular-lines

No, they can have different y-intercepts. To be perpendicular, they only need to have opposite reciprocal slope. For example, the lines, y=3x+8 and y= -(1/ ...

www.mathsisfun.com/algebra/line-parallel-perpendicular.html

Find the equation of the line that is: parallel to y = 2x + 1; and passes though the point (5,4). The slope of y=2x+1 is: 2. The parallel line needs to have the same ...

www.mesacc.edu/~scotz47781/mat150/notes/eqn_line/Equation_Line_Parallel_Perpendicular_Notes.pdf

The slope of the line 4x – 5y = 12 is m = 4/5. Therefore, the slope of every line parallel to this line would have to be m = 4/5. Perpendicular Lines. Two ...

www.emathhelp.net/calculators/algebra-1/parallel-and-perpendicular-line-calculator

The calculator will find the equation of the parallel/perpendicular line to the given line, passing through the given point, with steps shown.

www.youtube.com/watch?v=Mpou_ly0bvw

Nov 10, 2016 ... Learn how to find the equation of a line perpendicular to a given line through a given point in this free math video tutorial by Mario's Math ...

www.purplemath.com/modules/strtlneq3.htm

The reference slope is m = 2 3 m = \frac{2}{3} m=32. m = 2/3 . For the perpendicular slope, I'll flip the reference slope and change the sign. Then the ...

www.ixl.com/math/geometry/equations-of-parallel-and-perpendicular-lines

Improve your math knowledge with free questions in "Equations of parallel and perpendicular lines" and thousands of other math skills.

www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut28_parpen.htm

Feb 20, 2010 ... If your linear equation is written in this form, m represents the slope and b represents the y-intercept. This form can be handy if you need to find ...