Algebra Worksheets - Complete Set With Answers Page 49
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72Solving Quadratic Equations by Factoring - 6.7.1
Solve.
1) (y+1)(y+2) = 0
2) (y - 4)(y - 6) = 0
3) (z - 6)(z - 1) = 0
4) (x + 7)(x - 5) = 0
5) x(x - 8) = 0
6) x(x + 1) = 0
7) a(a - 4) = 0
8) a(a + 7) = 0
9) y(3y + 2) = 0
10) t(2t - 5) = 0
11) 3a(2a - 1) = 0
12) 2b(4b + 3) = 0
2
13) (b - 1)(b - 4) = 0
14) (b - 7)(b + 4) = 0
15) x
- 16 = 0
2
2
16) x
- 4x - 21 = 0
17) x
+ 6x - 16 = 0
2
2
18) x
- 5x = 6
19) x
- 7x = 18
2
2
20) x
- 8x = 9
21) x
- 5x = 14
2
2
22) 2a
- a = 3
23) 4t
- 13t = -3
2
2
24) 5a
+ 13a = 6
25) 2x
+ 5x = -2
26) x(x+10) = 11
27) y(y - 9) = -18
28) x(x+ 5) = 50
29) x(x - 11) = -30
30) (2x + 3)(x - 1) = 25
31) (z + 1)(z - 9) = 39
45
STORY PROBLEMS - 7.6
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