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ExtremeBDS [4]
3 years ago
13

Parallel and Perpendicular Equations (help! 40 points!)

Mathematics
2 answers:
wlad13 [49]3 years ago
8 0

Answer:

3y - 7x = - 9

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - \frac{3}{7} x - 1 ← is in slope- intercept form

with slope m = - \frac{3}{7}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{3}{7} } = \frac{7}{3}

Rearrange the given equations to find which slope matches m = \frac{7}{3}

Consider 3y - 7x = - 9

Add 7x to both sides

3y = 7x - 9 ( divide all terms by 3 )

y = \frac{7}{3} x - 3 ← in slope- intercept form

with slope = \frac{7}{3}

Thus 3y - 7x = - 9 represents a perpendicular line

PolarNik [594]3 years ago
4 0

Answer:

Step-by-step explanation:

y=mx+c

So in this case, m is (-3/7), which is the slope.

(-3/7)(another slope)=-1

Another slope=3/7

A. The slope is -7/3

B. The slope is 3/7

C. The slope is -7/3

D. The slope is -3/7

Thus, the answer is the bottom of the left hand side, which is 3x-7y=14

Hope it helps!!! Good luck!!

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