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Solving Quadratic Equations by Factoring
Contributed by: Andrews
  • 1. 35 n2 + 22 n + 3 = 0
A) 5,0
B) 3/7, 1/5
C) -3/7, -1/5
  • 2. 10 x2 - 26 x = -12
A) -4,6
B) 3/5, 2
C) -2,3/4
  • 3. x2 + 17 x + 49 = 3 x
A) -7,-7
B) 7, 7
C) 7, 5
  • 4. 3 v2 + 36 v + 49 = 8 v
A) -7/3, -7
B) 7, 3/7
C) 7, 3/7
  • 5. 15 p2 + 80 = -80 p
A) 5, 7
B) 4/3, 4
C) -4/3, -4
  • 6. m2 = 2 m
A) 1, 0
B) -2, -1
C) 2, 0
  • 7. 3 k2 - 18 k - 21 = 0
A) 1, -7
B) 3, 7
C) 7, -1
  • 8. 6 k2 - 42 k + 72 = 0
A) -4, -3
B) -3, 4
C) 3, 4
  • 9. x2 = 11 x - 28
A) -7, -4
B) -4, 7
C) 7, 4
  • 10. 7 p2 - 38 p - 24 = 0
A) -4/7 6
B) -4/7, -6
C) -6, 4/7
  • 11. 15 b2 + 4 b - 4 = 0
A) -2/3, 2/5
B) -2/3, -2/5
C) 2/5, 2/3
  • 12. k2 + 15 k = -56
A) -7, 8
B) 7, 8
C) -8, -7
  • 13. 3 x2 + 14 x - 49 = 0
A) 7/3, -7
B) 7/3, 7
C) -7/3, -7
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