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Ksenya-84 [330]
3 years ago
9

Find the value of r in(4,r) (r,3) so that the slope of the line containing them is 0

Mathematics
1 answer:
Pavel [41]3 years ago
8 0

Answer:

r = 3.

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope.

Finding the slope of a line, given two points:

When we are given two points of a line, the slope of the line is given by the change in y divided by the change in x.

Points (4,r), (r,3)

Change in y: 3 - r

Change in x: r - 4

Slope is 0, so:

\frac{3 - r}{r - 4} = 0

3 - r = 0

r = 3

The value is r = 3.

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What applies to terms in addition applies to factors in multiplication.

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