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taurus [48]
3 years ago
11

What is the slope of the line through the points (-2,-1) and (8,-3)?

Mathematics
2 answers:
krek1111 [17]3 years ago
7 0

Answer:

The correct answer is second option

-1/5

Step-by-step explanation:

Points to remember

The slope of line passing through (x₁, y₁) and (x₂, y₂) is given by,

Slope = (y₂ - y₁)/(x₂ - x₁)

<u>To find the slope of given line</u>

Here, (x₁, y₁) = (-2, -1) and (x₂, y₂) = (8, -3)

Slope = (y₂ - y₁)/(x₂ - x₁) = ( -3 - - 1)/(8 - -2)

 = (-3 + 1)/(8 + 2) = -2/10

 = -1/5

Therefore the correct answer is second option -1/5

RSB [31]3 years ago
3 0

Answer:

- 1/5

Step-by-step explanation:

Slope of a line passing through two points can be calculated as:

\text{slope}=\frac{\text{rise}}{\text{run}} \\\\ \text{slope}=\frac{\text{Difference of y coordinates}}{\text{Difference of x coordinates}}

The given points are (-2, -1) and (8, -3). Using the values in above formula, we get:

\text{slope}=\frac{-3-(-1)}{8-(-2)}\\\\ \text{slope}=\frac{-3+1}{8+2}\\\\ \text{slope}=\frac{-2}{10}\\\\ \text{slope}=\frac{-1}{5}

Thus the slope of the line through the given points is -1/5. So 2nd option gives the correct answer

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