1. Graphing Lines
Section 4.6

2. x- and y- intercepts
x – intercept:
(2, 0)
y – intercept:
(0, -3)

3. Slope
(2, 0)
(0, -3) 2 3

4. 4. What is the slope of the line y = 223x – 10 ?
What is the y-intercept of the line y = 223x – 10 ?
What is the slope of the line y = x + 15?
What is the y-intercept of the line y = x + 15?
What is the slope of the line y = mx + b?
What is the y-intercept of the line y = mx + b?

5. Graphing Lines
slope and y-intercept

6. y = 2x + 1
y = 2x + 1
Run 1
y-intercept
Rise
b = (0, 1) 2
slope
m = 2

7. y = -3x + 2 y = -3x + 2 1 -3 y-intercept b = (0, 2) slope m = -3 Run
Rise
b = (0, 2) -3
slope
m = -3

8. Run 3
Rise
y-intercept: 2
b = (0, -1)
slope:

9. Run 2
Rise -1
y-intercept
b = (0, 3)
slope:

10. Run 3
Rise -1
y-intercept
b = (0, 1)
slope: