Asked by john
find the equation of the perpendicular line to y=1/2x+4 and passing through the point (1,-2)
PLEASE HELP :)
PLEASE HELP :)
Answers
Answered by
Reiny
Then the new equation must be
y = -2x + b , remember slopes must be opposite reciprocals for perpendicular lines
sub in the point (1,-2)
-2 = -2(1) + b
b = 0
so y = -2x
y = -2x + b , remember slopes must be opposite reciprocals for perpendicular lines
sub in the point (1,-2)
-2 = -2(1) + b
b = 0
so y = -2x
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