2. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Do Now 1) Solve for y: Do Undo Translate the following statements into coordinate points. 2) f(-3) = 43) f(6) = 04) f(0) = 120 SWBAT: conceptually explain x and y intercepts verbally and with using a graph, a table

3. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Graphs What is the x-intercept for the line? x y What is a definition of the word “intercept?” When the line crosses (intersects) the x-axis. x-intercept: The point when y=0. (, 0)4 (0, )2 (4, 0) What is the y-intercept for the line? When the line crosses (intersects) the y-axis. y-intercept: The point when x=0. (0, 2)

4. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) x-intercept = y-intercept = (1, 0) (0, 4) x-intercept = y-intercept = (-3, 0) (0, 2) x-intercept = y-intercept = (-1, 0) (0, 5) x-intercept = y-intercept = (-5, 0) (0, -4) Identifying Intercepts Using Graphs

5. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Graphs What is the x-intercept for the line? x y What is a definition of the word “intercept?” When the line crosses (intersects) the x-axis. x-intercept: The point when y=0. (, 0)4 (0, )2 (4, 0) What is the y-intercept for the line? When the line crosses (intersects) the y-axis. y-intercept: The point when x=0. (0, 2) Pg.158,159 – 4,18,20,21

6. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Graphs Pg.158,159 – 4,18,20,21

7. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Graphing a Line Using Intercepts Graph the equation by finding the intercepts: 3x + 2y = 12 How do we find the x-intercept?We let y = 0. 3x + 2y = 12 3x + 2(0) = 12 3x = 33 x = What did we just find?The x-intercept =(4, 0)(4, 0) How do we find the y-intercept?We let x = 0. 3x + 2y = 12 3(0) + 2y = 12 2y = 22 y = What did we just find?The y-intercept =(0, 6) 12 4 6 3x + 2y = 12

8. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Graphing a Line Using Intercepts Graph the equation by finding the intercepts: 3x + 2y = 12 How do we find the x-intercept?We let y = 0. 3x + 2y = 12 3x + 2(0) = 12 3x = 33 x = What did we just find?The x-intercept =(4, 0)(4, 0) How do we find the y-intercept?We let x = 0. 3x + 2y = 12 3(0) + 2y = 12 2y = 22 y = What did we just find?The y-intercept =(0, 6) 12 4 6 3x + 2y = 12 Pg.158,159 – 9,27,28

9. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Graphing a Line Using Intercepts 9) y = -3 – x y 28) y = 4 – 3x x x y Pg.158,159 – 9,27,28

10. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Tables 0 2 6 10,080 8640 5760 Time (hours) Volume of Water (gal) 102880 140 What is the x-intercept for the line?The point when y = 0. What is the y-intercept for the line?The point when x = 0. x = 0 y = 0 x y (14, 0) (0, 10,080) At 14 hours, the pool is completely drained. Before they start draining the pool, the pool has 10,080 gallons of water in it. It is recommended that a swimming pool be drained at a maximum rate of 720 gallons per hour. The table shows the function relating the volume of water in the pool and the time in hours that the pool has been draining.

11. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Tables xy 3 3 2 1 0 2 4 06 xy -5 0 5 2 1 0 10 xy 12 8 4 -4 -2 0 02 -44 y = 0 x-intercept =(3, 0) x = 0 y-intercept =(0, 6) y = 0 x = 0 x-intercept =(5, 0) y-intercept =(0, 1) y = 0 x = 0 x-intercept =(4, 0) y-intercept =(0, 2)

12. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Tables xy 6 6 4 2 0 2 4 06 xy -3 0 3 2 1 0 6 xy -12 -6 0 21 14 7 60 12-7 y = 0 x-intercept =(3, 0) x = 0 y-intercept =(0, 6) y = 0 x = 0 x-intercept =(5, 0) y-intercept =(0, 1) y = 0 x = 0 x-intercept =(4, 0) y-intercept =(0, 2)

13. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Tables 0 2 6 10,080 8640 5760 Time (hours) Volume of Water (gal) 102880 140 What is the x-intercept for the line?The point when y = 0. What is the y-intercept for the line?The point when x = 0. x = 0 y = 0 x y (14, 0) (0, 10,080) At 14 hours, the pool is completely drained. Before they start draining the pool, the pool has 10,080 gallons of water in it. Pg.158,159 – 5,19,22,23 It is recommended that a swimming pool be drained at a maximum rate of 720 gallons per hour. The table shows the function relating the volume of water in the pool and the time in hours that the pool has been draining.

14. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Identifying Intercepts Using Tables Pg.158,159 – 5,19,22,23

15. Do Now Lesson Classwork Lesson Classwork TTL (5 min) (10 min) (5 min) (10 min) (5 min) Ticket to Leave 1) Create your own equation. 2) Find the x-intercept and y-intercept. 3) Graph the equation using the intercepts.