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GrogVix [38]
3 years ago
8

A line intersects the points (-23, -17) and (-13, -7). Find the slope of the line.

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0
The slope of a line through points A(x_1, y_1) and B(x_2, y_2)  is :

\displaystyle{ \frac{y_2-y_1}{x_2-x_1}

or 

\displaystyle{ \frac{y_1-y_2}{x_1-x_2}, 

it is the same thing, BUT it it always y's over x's and always in the same order of 1 and 2:

don't write: \displaystyle{ \frac{y_1-y_2}{x_2-x_1}

--------------------------------------------------------------------------------------------------


The slope of the line through the points <span>(-23, -17) and (-13, -7) is :

</span>\displaystyle{  \frac{-17-(-7)}{-23-(-13)}= \frac{-17+7}{-23+13}= \frac{-10}{-10}=1
<span>

Answer: 1</span>
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