SOLUTION: Write an equation for the line that is perpendicular to the given line that passes through the given point. (1,1);y=-1/4x+7

Algebra ->  Graphs -> SOLUTION: Write an equation for the line that is perpendicular to the given line that passes through the given point. (1,1);y=-1/4x+7       Log On


   



Question 1023374: Write an equation for the line that is perpendicular to the given line that passes through the given point.

(1,1);y=-1/4x+7

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
If the line you want is perpendicular to that line, you need one with a slope that is the negative reciprocal of -1/4, or 4.
Then we use y = mx + b and plug in, giving us
1 = 4(1) + b
1 = 4 + b
b = -3
and the line we want is
y = 4x - 3