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Wintringham Indices Level 8
Contributed by: Rayner
  • 1. Simplify x-3/4
A) 3/4√x
B) (-4√x)3
C) 1/(3√x)4
D) 1/(4√x)3
  • 2. Simplify a3/8
A) 8a3
B) (3√a)8
C) 8√a3
D) (8√a)3
  • 3. Evaluate 16-1/4
A) -65536
B) 1/2
C) -1/2
D) -2
  • 4. Evaluate 253/2
A) 150
B) -125
C) 125
D) 37.5
  • 5. Evaluate 1-2/3
A) 0
B) 12/3
C) -1
D) 1
  • 6. Express (4√4)3 as a fractional power
A) 44/3
B) 47
C) 43/4
D) 4-3/4
  • 7. Evaluate (84/3)2
A) -256
B) 32
C) 266
D) 256
  • 8. Express (9√x)2 as a fractional power
A) x-2/9
B) (9x)2
C) x2/9
D) x9/2
  • 9. Simplify d-3/4
A) d-6/8
B) 1/(3√d)4
C) 1/(4√d)3
D) 3/4√d
  • 10. Evaluate 7-1
A) -7
B) -1/7
C) 1/7
D) 7/1
  • 11. Evaluate 3-3
A) -9
B) -3
C) 1/9
D) 1/3
  • 12. Evaluate 271/3
A) 9
B) -3
C) 3
D) 1/27
  • 13. Evaluate 1252/3
A) -25
B) 5
C) 25
D) -125
  • 14. Evaluate 343-2/3
A) 7
B) 1/49
C) 49
D) -49
  • 15. Evaluate 144-1/2
A) 12
B) 12/1
C) 1/12
D) -12
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