Factoring Review Worksheet Page 3
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1
2
3Answer Key
– 9r
+ r – 8
2. –3x
– 6x – 10
– 3x
– 10
4
3
2
3
2
5
3
2
1. 4r
+ 5r
- 3x
3. x
+ 8x
4. –13y
– 7y
– 6y
– 24p + 9
3
2
4
2
2
+ 7y + 5
5. 18y
6. 16p
+ 4t – 6
– 4
2
3
2
2
2
7. 10t
8. 12x
+ x
9. 9x
+ 24xy + 16y
+ 11de – 5e
– 80a
+ 76a – 32
– x
– 76x + 96
2
2
3
2
3
2
10. 12d
11. 21a
12. 6x
13. 7a(a + 5)(a – 1)
14. 9(x – 2)
15. (5a – 3b
2
2
2
)(5a + 3b
)
16. (4x – 6)(3x – 8)
17. (x + 10)(x – 3)
18. (6x – 5)(2x – 3)
19. (6x – 5)(3x + 2)
20. (2x + 5)(3x – 2)
21. (4x + 3)(x + 3)
5
22. a = 5, a = –3
23. x = 6, x = –5
24. x =
, x = 4
2
2
1
25. x = –2, x =
26. u = 3, u = –3
27. x = 0, x =
3
3
3
1
2
28. x = 2, x =
29. x =
, x =
30. x = 0, x = 8
4
2
3
1
3
5
2
31. x = -7, x =
32. x =
33. x =
, x =
2
2
6
3
3 (
x
7
)(
2
x
) 3
2
2 (
x
) 3
2
3 (
x
) 7
2
34.
4
x
6
6
x
14
35.
6
x
9
x
14
x
21
2
10
x
20
6
x
23
x
21
2
6
x
23
x
21
2 (
x
2
x
)
( 2
y
) 5
( 2
y
) 2
2
2
36.
6
x
23
x
21
4
x
37.
2
y
10
2
y
4
2
4
y
6
2
x
23
x
21
4
2 (
p
) 3
, so the side length is 2p – 3
38. a.
b.
2 (
p
3
)(
2
p
) 3
8
p
12
39. The roots are 0 and 4. That means that the ball leaves the ground at 0 seconds and returns to the ground at
4 seconds. The ball is in the air for 4 seconds.
40. The roots are 0 and 128. The rocket leaves the ground after 0 seconds and hits the ground after 128
seconds.
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