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# Chapter 3 – review packet solutions

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### Chapter 3 – review packet solutions

1. 1. Chapter 3 – ReviewPacket SolutionsProject by: Raghav Chawla (Group Dictator), MartaBelli, Hannah Hallos, Matthew Sandor, Dylan Sciré
2. 2. Problem #25 In other words, the question is asking you to reflect the point (2,9) firstly in the x-axis, and secondly in the y-axis. The point (2, -9) and the point (2, 9) are mirror images of each other in the x-axis (they are symmetrical about [with respect to] the x-axis) The point (-2,9) and the point (2,9) are mirror images of each other in the y-axis. The reflection about the origin means to reflect over x-axis AND then reflect over the y-axis reflection. (2,9)  (2, -9)  (-2, -9)
3. 3. Problem #26
4. 4. Problem #27X Y-3 -21-2 -4-1 10 01 -12 43 21
5. 5. Problem #28
6. 6. Problem #28
7. 7. Problem #29X Y0 21 14 09 -1
8. 8. Problem #30 Case 1: Case 2:
9. 9. Problem #31 Make it “y equals” Switch the x and the y Multiply by -7 on both sides Square both sides Subtract 16 on both sides Multiply by -1 on both sides Square root both sides
10. 10. Problem #31 (continued)
11. 11. Problem #32 Since this graph does not give you its function, you must switch its “x” and “y” values Graph 1 Graph 2 Original Inverse Original Inverse (1,7) (7,1) (-1,3) (3,-1) (2,6) (6,2) (-2,4) (4,-2) A graph will be provided as a visual aid on the next slide
12. 12. Problem #33
13. 13. Problem #34
14. 14. Problem #35
15. 15. Problem #35 (continued)
16. 16. Problem #35 (continued)
17. 17. Problem #36