1. Graph 21 Slope: y-intercept: Slope-intercept form y = mx + b -4 Example 3-3b

2. 32 Graph y = x – 4 32 Slope: y-intercept: -4 Example 3-3b

3. 43 Graph y = - x + 2 43 - Slope: y-intercept: 2 Example 3-3b

4. Graph 54 - Slope: y-intercept: 2 Example 3-4a

5. Graph 2x – 5y = 10 -2x -2x – 5y = -2x + 10 -5 -5 25 y = 2 x – 2 5 Slope: y-intercept: -2 Example 3-4a

6. Slope-intercept form Write an equation of the line shown in the graph. 42 = 2 Slope: y-intercept: -3 Example 3-2a

7. Answer: Write an equation of the line shown in the graph. 24 12 - - = Slope: y-intercept: 3 Example 3-2c

8. Write an equation of the line whose slope is and whose y-intercept is –6. Slope-intercept form Example 3-1a

9. Graph Table Slope: -3 2 y-intercept: 4 -3 2 y = x + 4 Equation: -3 2 f(x) = x + 4

10. Find the slope of the line that passes through (–3, 2) and(5, 5). Slope 3 8 Example 1-1a

11. Find the slope of the line that passes through (–3, –4)and(–2, –8). Slope -4 1 Example 1-1a

12. Find the slope of the line that passes through (–3, 4)and(4, 4). Slope 0 7 A horizontal line has a slope of zero. Example 1-1a

13. Find the slope of the line that passes through (2, 4)and(2, 7). 30 Slope = undefined 3 0 A vertical line has an undefined slope. 7 – 4 2 – 2 30 = undefined Example 1-1a