Free Printable Fractional Indices

1.

Which of the following is incorrect?

a)

$a^2\times a^6=a^{12}$

b)

$a^8\div a^3=a^5$

c)

$a^6\times a^3=a^9$

d)

$\left(\frac{2}{a}\right)^2=\left(\frac{4}{a^2}\right)$

2.

Which of the following is incorrect?

You may choose more than 1 answer.

a)

$a^3+a^3+a^3=a^9$

b)

$\left(3a^2\right)^3=27a^6$

c)

$\left(x^2y\right)^3=\left(x^6y^3\right)$

d)

$\left(\frac{a}{3b}\right)^2=\left(\frac{a^2}{3b^2}\right)$

3.

$\left(\frac{7}{18}\right)^{-1}$ is equal to ...

a)

$-\frac{7}{18}$

b)

$-\frac{18}{7}$

c)

$\frac{18}{7}$

d)

$\frac{7}{18}$

4.

What is $9^{\frac{1}{2}}$ ?

a)

$8\frac{1}{2}$

b)

81

c)

3

d)

$4\frac{1}{2}$

5.

What is $64^{\frac{1}{2}}$ ?

a)

32

b)

$63\frac{1}{2}$

c)

8

d)

4

6.

What is $a^{\frac{1}{2}}$ ?

a)

$a\div\frac{1}{2}$

b)

$^3\sqrt{a}$

c)

$a\times\frac{1}{2}$

d)

$\sqrt{a}$

7.

What is $8^{\frac{1}{3}}$ ?

a)

$\frac{8}{3}$

b)

24

c)

2

d)

$\frac{23}{3}$

8.

What is $64^{\frac{1}{3}}$ ?

a)

192

b)

4

c)

$\frac{64}{3}$

d)

8

9.

What is $a^{\frac{1}{3}}$ ?

a)

$^3\sqrt{a}$

b)

$\sqrt{a}$

c)

$a\times\frac{1}{3}$

d)

$a\div\frac{1}{3}$

10.

$^4\sqrt{3^5}$ is equal to

a)

$3^{\frac{4}{5}}$

b)

$3^{\frac{5}{4}}$

c)

$3^{\frac{1}{5}}$

d)

$3^{\frac{1}{4}}$

11.

$\left(^9\sqrt{a}\right)^7$ is equal to

a)

$\left(\frac{7}{9}\right)^a$

b)

$a^{\frac{7}{9}}$

c)

$\left(\frac{9}{7}\right)^a$

d)

$a^{\frac{9}{7}}$

12.

$^n\sqrt{a^m}$ or $\left(^n\sqrt{a}\right)^m$ is equal to ...

a)

$a^{\frac{m}{n}}$

b)

$a^{\frac{n}{m}}$

c)

$\frac{a^m}{a^n}$

d)

$\frac{a^n}{a^m}$

13.

Did you enjoy this recap session using Quizizz?

a)

OF COURSE LAH

b)

NOT REALLY LEH

c)

OKAY LAH

Fractional Indices

Total questions: 13

Worksheet time: 8mins

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