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2. 2 Homework Monday, 12/7 Lesson 4.02_lesson 4.02_pg 286 #28-33, #52 ALL

3. Lesson 4.03: Graph using Slope-Intercept Form

4. we can graph a line easily when given: 1. a point 2. the slope of the line

5. SLOPE-INTERCEPT FORM

6. y = mx + b STEP 1: Look at the y-intercept (b): When you have a linear equation, the y-intercept is the point where the graph of the line crosses the y-axis (0, y). STEP 2: Look at the slope (m): It describes the steepness of a line. You use “rise over run”

7. Example 1

8. Example 2 y = 3x - 1

9. Example 3: Now we can finally graph using slope-intercept form. y = -3x + 2 y = mx + b

10. Example 4: Graph using slope-intercept form. x + y = 0 y = -x y = mx + b

11. Example 5: Graph using slope-intercept form. 4x + 5y = 15 -4x 5y = -4x + 15 5 5 5

12. Example 6: Graph using slope-intercept form. 4x - y – 3 = 0 -4x - y – 3 = -4x +3 +3 -y = -4x + 3 y = 4x -3