Grade 9 Pre-IB Unit 1 CP 41

1.
Case 1: x = 5

Case 2: x = -9

2.
Case 1: x = 21

Case 2: x = 3

3.
Case 1: x = -4

Case 2: x = -44

4.
Case 1: x =19

Case 2: x = -13

5.
Case 1: x = -2

Case 2: x = -10

6.
Case 1: x = 5

Case 2: x = -1

7.
No solution

8.
Case 1: x = 3

Case 2: x = -21

9.
Case 1: x = 15/7

Case 2: x = -3

10.
Case 1: x = 8

Case 2: x = -22

11.
Case 1: x = 10

Case 2: x = -2

12.
Case 1: x = 2

Case 2: x = -6/5