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rusak2 [61]
3 years ago
11

What is the value of a such that (−2, 1) and (0, a) lie on a line parallel to the line passing through points (5, 7) and (7, 4)?

Mathematics
1 answer:
lara [203]3 years ago
7 0
Uhhhh triangle rectangle circle and grapes
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NEED HELP ASAP<br><br>(5,-17), (-6,3) <br><br> find the slope
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Answer:

m= -20/11

Step-by-step explanation:

Slope is equal to the change in <em>y</em> over the change in <em>x</em>, or rise over run.

m= change in y/ change in x

The change in  x  is equal to the difference in x-coordinates (also called run), and the change in  y  is equal to the difference in y-coordinates (also called rise).

m = y 2 − y 1/ x 2 − x 1

Substitute in the values of x  and  y  into the equation to find the slope.

m= 3-(-17)/-6-(5)

m= -20/11

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Work out the equation of<br> the line that goes through<br> (3, 2) and (-1, 10)
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Answer:

The\,\,equation\,\,will\,\,be\,\,2x+y=8

Step-by-step explanation:

Let, A=(3,2)

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So, The equation will be

\frac{x-x_{1} }{x_{1} -x_{2} } =\frac{y-y_{1} }{y_{1} -y_{2} } \\=>\frac{x-3 }{3-(-1) } =\frac{y-2 }{2-10} \\=>\frac{x-3 }{4} =\frac{y-2 }{-8}\\=>-8x+24=4y-8\\=>8x+4y=32\\=>2x+y=8

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Answer:

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