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yuradex [85]
3 years ago
6

Consider the line

{3} x+1 " alt=" y=\frac{2}{3} x+1 " align="absmiddle" class="latex-formula">.
Find the equation of the line that is perpendicular to this line and passes through the point (-4, 5)

Find the equation of the line that is parallel to this line and passes through the point (-4, -5)

Equation of perpendicular:

Equation of parallel line:
Mathematics
1 answer:
miv72 [106K]3 years ago
4 0

we are given equation of line

y=\frac{2}{3} x+1

Equation of perpendicular line:

Firstly , we will find slope of line

y=\frac{2}{3} x+1

we can compare it with

y=mx+b

we get

m=\frac{2}{3}

we know that

slope of perpendicular line will be -1/m

so, slope is

\frac{-3}{2}

It passes through point (-4,5)

so, we can use point slope form of line

y-5=-\frac{3}{2}(x+4)

we get

y=-\frac{3}{2}x-1..........Answer

Equation of parallel line:

Firstly , we will find slope of line

y=\frac{2}{3} x+1

we can compare it with

y=mx+b

we get

m=\frac{2}{3}

we know that

slope of parallel line always equal

so, slope is

\frac{2}{3}

It passes through point (-4,-5)

so, we can use point slope form of line

y+5=\frac{2}{3}(x+4)

we get

y=\frac{2}{3}x-\frac{7}{3}............Answer

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