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Vaardighedentoets klas 2 periode 1 2019-2020
Contributed by: Luteijn
  • 1. Herleid: 3 + x + 2 - 2x - 1/3
A) x + 5 1/3
B) -x + 4 1/3
C) -x + 4 2/3
D) -x + 5
  • 2. Herleid: 7x(2x–2)
A) 9x² -9x
B) 14x² - 14x
C) 9x - 9
D) 14x - 14
  • 3. Herleid: (a+4)(a-4)
A) a² - 8a - 16
B) a² - 16
C) a² + 8a - 16
D) a² + 4a - 4a
  • 4. Herleid: 2 ⋅ a ⋅ b ⋅ a
A) 2aab
B) 2a²b
C) K.n.k
D) 2ab²
  • 5. Herleid: -4 ⋅ k ⋅ 3 ⋅-p
A) -12kp
B) 12kp
C) -12k-p
D) -12⋅kp
  • 6. Herleid: 5⋅x⋅2y - 3y⋅4x
A) 10xy - 12xy
B) K.n.k.
C) 2xy
D) -2xy
  • 7. Herleid: a² - 2a² - ab + 3a
A) a²-ab
B) -a-ab+3a
C) 2a-2ab
D) -a²-ab+3a
  • 8. Herleid: t ⋅ m ⋅ t ⋅ m ⋅ 2t
A) 2t³m²
B) 3t+2m
C) 2t²m²
D) 4t+2m
  • 9. Los op: 70 + 2b = 100
  • 10. Los op: 40 = 30 + 0,1a
  • 11. Los op: 4a + 5 = -27
  • 12. Los op: 8a - 2a -6 + 2 = 20
  • 13. Los op: 4(3 – 3x) = 48
  • 14. Los op: (a + 2)(a + 4) – a² = 26
  • 15. Herleid: xx + 4xy + xx + yx
A) 2xx+5xy
B) xx+xy
C) 2xx+4xy+yx
D) xx+4xy+yx
  • 16. Herleid: 2+c(-4 - c)
A) 2-4c-c²
B) -3c
C) 2+4c-c
D) 2-5c
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