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rusak2 [61]
2 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]2 years ago
7 0
Uhhhh triangle rectangle circle and grapes
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Step-by-step explanation:

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3 years ago
Line t passes through points (10, 1) and (2, 6). Line u is perpendicular to t. What is the slope of line u?
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Let's find the slope for line t first.

We can use the given points 2,6 and 10,1 to find the slope using the slope formula.

\frac{y.2 - y.1}{x.2 - x.1} = m

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-5/8

The slope is -5/8.

Because we know the slope of this line, we can find the slope of the next line instantly, as they are perpendicular.

When a slope is perpendicular to another, it is equal to the negative reciprocal.

Negative reciprocal of -5/8 = 8/5

<h3>The slope of line u is 8/5</h3>
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2 years ago
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its C or D

Step-by-step explanation:

i think it's both !

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3 years ago
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