Idiot\'s Guides Basic Math and Pre-Algebra

142 Part 2: Into the Unknown

The slope of the line through the points (4,-1) and (1,2) is

m^21

14

3

3

555 - 1

2 -

2 -

-6 -2 062

-2

2

4

6

-4

-6

-8-9 -7 -5 -4 -1-3 134 5 78 9

-8

-9

-1

-3

-5

-7

8

9

1

3

5

7

-10 10

-10

10

y

x

CHECK POINT

Find the slope of the line that connects the given points.

16. (7,2) and (4,5)


17. (6,-4) and (9,-6)


18. (4,6) and (8,7)
    19. (-5,5) and (5,-1)
    20. (3,4) and (8,4)