Taher G.
asked • 03/28/19
find the equation of line perpendicular to y=-1/2x-3 and passes through the point -4,7
Lauren H.
answered • 03/28/19
Experienced High School Chemistry Teacher
perpendicular to y=-1/2x-3
The slope of the line perpendicular to the above will be the inverse and opposite sign of the above slope. So, slope (m) = 2
y = 2x + b
-4,7
Substitute:
7 = (2)(-4) + b
7 = -8 + b
b = 15
y = 2x + 15
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