Free Printable FRACTIONAL INDICES

1.

How else can you write $\sqrt{x}$ ?

a)

$x^{\frac{1}{2}}$

b)

$x^2$

c)

$x^{-2}$

d)

$x^{\frac{1}{4}}$

2.

64^⅓=

a)

4

b)

8

c)

6

d)

21.3

3.

Evaluate

a)

3

b)

18

c)

9

d)

6

4.

How else could you write $4^{-2}$ ?

a)

$16$

b)

$-16$

c)

$-\frac{1}{16}$

d)

$\frac{1}{16}$

5.

4^-½=

a)

2

b)

-2

c)

½

d)

-½

6.

(y⁹)^-2

a)

y¹⁸

b)

y¹¹

c)

1/y¹⁸

d)

y⁹/2

7.

Write the product using exponents:

(-2) ⋅ (-2) ⋅ (-2) ⋅ (-2) ⋅ (-2)

a)

-2⁵

b)

2^-5

c)

(-2)⁵

d)

(-2)^-5

8.

What comes next?
2^{2 =} 2x2
2³=2x2x2
2⁴=2x2x2x2

a)

2⁵=2x2x2x2

b)

2⁵=2x2x2x2x2

c)

2⁶=2x2x2x2x2x2

d)

2⁶⁼2x2x2x2x2

9.

What is 9^½

a)

3

b)

4.5

c)

81

d)

18

10.

8^⅓=

a)

2

b)

4

c)

6

d)

2.666

11.

What is 3^-1

a)

⅓

b)

½

c)

¼

d)

-3

12.

a)

3

b)

9

c)

12

d)

6

FRACTIONAL INDICES

Total questions: 12

Worksheet time: 11mins

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