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krek1111 [17]
3 years ago
6

Find the slope of the line containing the pair of points (4,8), (9,-4)

Mathematics
2 answers:
Vsevolod [243]3 years ago
7 0

<u>Answer:</u>

-2\frac{2}{5}

<u>Step-by-step explanation:</u>

We have a line which passes through the points (4,8) and (9,-4). So with the help of these pair of points, we can find the slope of the line.

We know that:

Slope = \frac{y_2-y_1}{x_2=x_1}

So putting in the values of the given coordinates to get:

-slope = \frac{8-(-4)}{4-9}

= \frac{12}{-5}

= -2\frac{2}{5}

Therefore, the slope of the line which passes through the points (4,8) and (9,-4) is -2\frac{2}{5}.

Papessa [141]3 years ago
6 0

The given points are (4,8) & (9,-4)

slope of a line =  <u>Y2 - Y1</u>

                            X2 - X1


              ====>   <u>(-4) - 8</u>   =    <u>-12</u>

                            9   - 4           5

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W= width
L= length= 2W-4
Perimeter= 70

FIND WIDTH:
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substitute 2W-4 for L
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multiply 2 by all in parentheses
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