Asked by Kevo
Determine the equation of the lines perpendicular to the given lines and passing through the given points:(a)y-5x+3=0;(3,2) (b) y=8-7x;(-3,-4)
Answers
Answered by
Damon
a)
y = 1 x - 3
slope = m = 1
slope of perpendicular = -1/m = -1/1 = -1
so
y = -x + b
2 = -3 + b
b = 5
so
y = -x + 5
do the other the same way
y = 1 x - 3
slope = m = 1
slope of perpendicular = -1/m = -1/1 = -1
so
y = -x + b
2 = -3 + b
b = 5
so
y = -x + 5
do the other the same way
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