Asked by ethan
What is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the point (−4, −3)?
Answers
Answered by
Veronica
Point-slope form : y-y₁=m(x-x₁)
Perpendicular to the given line, and passes through (-4, -3)
Given line slope : -4
How we found slope : I found 2 exact points, and found the slope by doing the slope formula (y₂-y₁/x₂-x₁)
m = slope
However, when a line is perpendicular, we must find the negative reciprocal of our slope.
Slope₁ = -4
Slope ₂ = 1/4
Simply plug everything in.
y - y₁ = m(x - x₁)
y + 3 = 1/4(x +4)
Perpendicular to the given line, and passes through (-4, -3)
Given line slope : -4
How we found slope : I found 2 exact points, and found the slope by doing the slope formula (y₂-y₁/x₂-x₁)
m = slope
However, when a line is perpendicular, we must find the negative reciprocal of our slope.
Slope₁ = -4
Slope ₂ = 1/4
Simply plug everything in.
y - y₁ = m(x - x₁)
y + 3 = 1/4(x +4)
Answered by
mathhelper
The slope was not given, (there was no "given line").
Veronica's answer is partially correct, except there was no way of finding the slope.
Veronica's answer is partially correct, except there was no way of finding the slope.
Answered by
Anonymous
I suspect the student tried to copy and paste the original equation.
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