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Algebra 2H A
Chapter 4 Review Part 2
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Factor each expression completely.
1. y2  8y + 15
2. x2 + 11x + 24
3. x2 + 9x  18
4. w2 + 12w  35
5. t2  3t + 54
6. x2  7x  60
7. 6x2  9
8. 16m2 + 8m
9. 2a2 + 22a + 60
10. 5x2 + 25x  70
11. 5x2  17x + 6
12. 3x2 + 10x + 8
13. 2b2  9b  5
14. z2 + 12z + 36
5. 9x2  6x + 1
16. 4k2 + 12k + 9
17. n2  49
18. 2x2  50
19. 4x2  2x  2
20. 6x2 + 25x  9
Solve each equation by factoring.
21.
22.
23.
24.
25.
26.
Solve each equation by completing the square.
27.
28.
29.
30.
Find the value of the discriminant. Describe the number and type of roots. Find the roots using the quadratic formula.
31.
32.
33.
34.
Solve each quadratic inequality algebraically.
35.
x2 – x – 20 > 0
36.
x2 – 10x + 16 < 0
37.
5x2 + 10  27x
Simplify.
38.
(2 + 3i) + (5  2i)
39.
(6 + 7i) + (6  7i)
40.
(4  2i)  (1 + 3i)
41.
2(3  7i)  i(4 + 5i)
42.
(4  3i)(5 + 4i)
43.
(1 + 3i)2
44.
(2i)(5i)(i)
45.
46.
49
47.
48.
48
49.