8.3 notes
- 1. 8.3 slope and y intercept March 02, 2012 Solve for a. 1. a 3 = 5 2. 4a + 4a 7 = 17 3. 5(2a + 4) = 30 4. 8 a = 12 6 Bellwork Objective: find and use slope to graph linear equations HW pg. 414 #115 1
- 2. 8.3 slope and y intercept March 02, 2012 3. (5, 40) 17. x y 23. y = (1/2)x 3 5. y = 2 1 3 x y 0 1 2 4 7.y = 4 1 1 0 3 9. y = 6 2 2 19. x y 11. about 1,064 km 1 0 13. x y 0 0 1 1 1 0 0 2 25. y = (3/2)x 1 3 x y 21. y = 4x + 16 2 3 15. x y x y 0 0 1 2 2 8 2 3 0 3 0 16 1 4 2 24 page 408 # 3 25 odd HW pg. 414 #115 2
- 3. 8.3 slope and y intercept March 02, 2012 Find the slope of each line. slope = rise = slope = rise = run run HW pg. 414 #115 3
- 4. 8.3 slope and y intercept March 02, 2012 Find the slope of the line through C(2, 6) and D(4, 3). y y slope = 2 1 x x 2 1 Find the slope through V(8, 1) and Q(0, 7) HW pg. 414 #115 4
- 5. 8.3 slope and y intercept March 02, 2012 Find the slope of each line. HW pg. 414 #115 5
- 6. 8.3 slope and y intercept March 02, 2012 1 y = x + 3 2 y = mx + b HW pg. 414 #115 6
- 7. 8.3 slope and y intercept March 02, 2012 Graph using slope and yintercept y = 2x 3 HW pg. 414 #115 7
- 8. 8.3 slope and y intercept March 02, 2012 1 y = x + 3 2 y = mx + b Steps: 1. List m and b 2. Graph b. 3. Use slope (m) to find next point 4. Use straight edge to draw line. HW pg. 414 #115 8
- 9. 8.3 slope and y intercept March 02, 2012 Graph using slope and yintercept y = 2x 3 HW pg. 414 #115 9
- 10. 8.3 slope and y intercept March 02, 2012 2x 3 = 3y HW pg. 414 #115 10
- 11. 8.3 slope and y intercept March 02, 2012 HW pg 414 # 115 HW pg. 414 #115 11