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GEO Alg Factoring ax^2 + bx + c
供稿人: Maynard
  • 1. Factor x2 + x - 30
A) (x + 2)(x - 15)
B) (x + 6)(x - 5)
C) (x - 6)(x + 5)
D) (x - 2)(x + 15)
  • 2. Factor x2 - 10x + 25
A) (x + 5)2
B) (x - 5)2
C) (x + 5)(x + 5)
D) (x - 10)(x - 15)
  • 3. Factor x2 + 2x - 8
A) (x - 2)(x - 2)
B) (x + 4)(x - 2)
C) (x + 1)(x- 4)
D) (x + 2)(x - 4)
  • 4. Factor x2 - x - 56
A) (x + 4)(x - 2)
B) (x + 8)(x - 7)
C) (x + 7)(x - 8)
D) (x + 5)(x - 7)
  • 5. Factor x2 + 8x + 15
A) (x + 5)(x + 3)
B) (x - 5)(x - 3)
C) (x + 4)(x - 3)
D) (x + 1)(x - 15)
  • 6. Factor x2 + 2x - 48
A) (x - 24)(x - 2)
B) (x + 6)(x - 8)
C) (x + 4)(x - 2)
D) (x - 6)(x + 8)
  • 7. Factor x2 - 9
A) (x + 3)(x - 3)
B) (x - 9)(x - 1)
C) (x + 3)(x + 3)
D) (x - 3)(x - 3)
  • 8. Factor x2 - 10x + 9
A) (x + 9)(x - 1)
B) (x + 9)(x + 1)
C) (x + 3)(x - 3)
D) (x - 9)(x - 1)
  • 9. Factor x2 - 8x + 16
A) (x + 4)(x + 4)
B) (x - 4)(x - 4)
C) (x - 4)(x + 4)
D) (x + 16)(x - 1)
  • 10. Factor x2 - 121
A) (x - 11)2
B) (x - 11)(x + 11)
C) (x - 11)(x - 11)
D) (x + 11)(x + 11)
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