Question

Find the slope of the line that passes through the following points . Simplify your answer .

(-10, 10) and (-9, -10)

Answer 1

Answer: -20/1

Explanation:

1) Use the slope formula

y1-y

--------

x1-x

2) Substitute the numbers

-10-10

------

-9-(-10)

3) Solve

-20

------

1

-20/1

Answer 2

-20 is the slope

Explanation:

Using the slope formula y1-y2/x2-x1,

you get the slope of -20