y

x

Warm-Up)4,0()2,2( and )2,4()1,1( and

y

x

2

2

22

= 1

13

13

y

x

Warm-Up),4()0,0()2,4( yandand

Graphing y = mx + b

y = mx + b

(x,y)

m = slope = Rise

Run

b = y-intercept

y

x

Graph the equation by finding the y-intercept and slope of the line.

53

2 xy

m =

b =

32

-5

( , )0 -5

Example 1

y

x

Slope and GraphingExample 2 Graph the equation

below: 22

3y x

m =

b =

32

2

( , )0 2

y

x

Slope and GraphingExample 3 Graph the equation

below:

42

1 xy

m =

b =

2

1

21

4

( , )0 4

y

x

Slope and GraphingExample 5

Graph the equation below:

34

1 xy

m =

b =

4

1

41

-3

( , )0 -3

y

x

Slope and GraphingExample 6 Graph the equation

below:

14 xy

m =

b =

1

44

-1

( , )0 -1

y

x

Warm-Up• Create a t-table for the equation

and then graph the line:22 xy

X Y

-10123