Do Now 11/27/12 Take out HW from last night. Take out HW from last night. - Text p. 196, #2-36 evens, 37, 41 & 42 Copy HW in planner. Copy HW in planner. - Text p. 200, #1-7 all, 10, 12, 13 - Quiz sections Thursday In your journal, list, describe, and draw every graph that you know about. Think outside of math class. Have you encountered other types of graphs in any of your other classes (science, social studies …)? In your journal, list, describe, and draw every graph that you know about. Think outside of math class. Have you encountered other types of graphs in any of your other classes (science, social studies …)?

Homework Text p. 196, #2-36 evens, 37, 41 & 42 2) IV 2) IV 4) I 4) I 6) see graph 6) see graph 8) see graph 8) see graph 10) (-3, 2) 10) (-3, 2) 12) (5, 0) 12) (5, 0) 14) III 14) III 16) II 16) II 18) see graph 18) see graph 20) see graph 20) see graph 22) (5,-6) 22) (5,-6) 24) (0, -4) 24) (0, -4) 26) (2, 2) 26) (2, 2) 28) rectangle; II & III 28) rectangle; II & III 30) II 30) II 32) (-4, 0) 32) (-4, 0) 34) (-6, 3) 34) (-6, 3) 36) (0, 5) 36) (0, 5) 37) a. (-80°, 24°) 37) a. (-80°, 24°) b. (-94°, 30°) b. (-94°, 30°) c. (-93°, 34°) c. (-93°, 34°) 41) B 41) B 42) G 42) G

Objective SWBAT relate graphs to situations SWBAT relate graphs to situations

Section 5.2 “Interpreting Graphs” You can use a graph to show the relationship between two quantities for example speed and time, time and distance, or speed and distance.

Key Words for Interpreting Graphs Key word Graph interpretation Increase, goes up, went from … Decrease, goes down, went back … Constant, stays the same, stays in the same place, steady … Fluctuates… Increases but not at a constant rate Decreases but not at a constant rate

A Graph Tells a Story Emma exercises her horse. The horse walks at a constant speed for the first 10 minutes. Its speed increases over the next 7 minutes, and then it gallops at a constant rate for 20 minutes. Then it slows down over the next 3 minutes and then walks at a constant pace for 10 minutes.

Emma exercises her horse. Speed (mi/hr) ‏ Time (min) ‏ 0 A Graph Tells a Story The horse walks at a constant speed for the first 10 minutes. Its speed increases over the next 7 minutes. Then it gallops at a constant rate for 20 minutes. Then it slows down over the next 3 minutes. And then walks at a constant pace for 10 minutes.

Try it out You and a friend traveled 10 miles from your house to the movie theater. You watched a movie, and then you traveled 5 miles farther to a restaurant to eat lunch. After eating you return your house.

Distance from your house (mi) 5 15 Time (min) ‏ 0 A Graph Tells a Story You and a friend traveled 10 miles from your house to the movie theater. You watched a movie, then you traveled 5 miles farther to a restaurant After eating you return your house to eat lunch.

Relating Graphs to Situations The height of a tree increases over time, but not at a constant rate. Which graph bests shows this? A. B. C.

A ball is tossed into the air. Which graph best shows this? Relating Graphs to Situations Elevation Time Elevation Time A.B.

Relating Graphs to Situations Pressure decreases as altitude increases. Adams goes on a hiking trip to the top of a mountain and comes back. Which graph best shows this? A.B.C.

Relating Graphs to Situations The dimensions of the basketball court have changed over the years. However, the height of the basket has not changed. Which graph bests shows this? A. B. C.

Graphing Activity Plot the points according to the directions. Then connect the dots. What mystery figure have you created? Plot the points according to the directions. Then connect the dots. What mystery figure have you created?

Homework Text p. 200, #1-10 all, 12 & 13 Text p. 200, #1-10 all, 12 & 13 NJASK7 Prep