Free Printable 6.1-6.2 Quiz B

1.

Which expression is equivalent to

x^{0.5}

?

a)

$0.5x$

b)

$\sqrt{x}$

c)

$x^2$

d)

$5x$

2.

Simplify

\frac{y^{\frac{3}{2}}}{y^{\frac{1}{2}}}

a)

$y$

b)

$y^2$

c)

$\sqrt{y}$

d)

$\frac{1}{\sqrt{y}}$

e)

None of these

3.

Simplify

\left(x^{\frac{4}{3}}\right)^2

a)

$x^{\frac{8}{3}}$

b)

$x^{\frac{8}{5}}$

c)

$x^{\frac{16}{9}}$

d)

$x^3$

e)

none of these

4.

Simplify

\sqrt{100x^6y^4}

a)

$10xy$

b)

$\frac{1}{10x^3y^2}$

c)

$10x^3y^2$

d)

$10x^{12}y^8$

5.

What is the expression equal to?

9^{\frac{5}{2}}\cdot9^{-\frac{1}{2}}

(a)

6.

Rewrite using rational exponents.

\sqrt{x^7}

a)

$x^{\frac{7}{2}}$

b)

$\frac{1}{x^{\frac{1}{7}}}$

c)

$-x^7$

d)

$x^{\frac{2}{7}}$

7.

Which of the expressions is equal to 3? Check ALL that apply.

a)

$9^{\frac{1}{2}}$

b)

$9^{0.5}$

c)

$\frac{1}{9^{-\frac{1}{2}}}$

d)

$81^{\frac{1}{4}}$

e)

$\sqrt{9x^{3\ }}$

8.

Evaluate.

$16^{\frac{3}{2}}$

(a)

9.

Evaluate.

$\frac{1}{25^{-\frac{1}{2}}}$

(a)

10.

Evaluate.

$27^{\frac{2}{3}}$

(a)

6.1-6.2 Quiz B

Total questions: 10

Worksheet time: 30mins

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