Question

What is the slope of the line that contains these points?

�
xx
39
3939
40
4040
41
4141
42
4242
�
yy
36
3636
29
2929
22
2222
15
15

Answer 1

slope: -7

To find the slope of a line, take 2 points from the line and plug it into this formula, y2-y1/x2-x1.

So,

x1= 39

y1= 36

x2= 40

y2= 29

29-36/40-39

Now simplify.

29-36/40-39

-7/1

-7

And there you have it! The slope of your line is -7.

Hope this helps!

Let me know if you need anything else :)