Quiz about Rewriting an Expression

Question 1

Rewrite this as an addition expression:

8-4

Accepted Answer

8 + (-4)

Answer

8 - 4

Answer

8 - (-4)

Answer

-8 + 4

Question 2

Rewrite the radical expression as an expression with rational exponents.

Accepted Answer

$$\left(6x\right)^{\frac{2}{3}}$$

Answer

$$\left(6x\right)^{\frac{3}{2}}$$

Answer

$$\left(2x\right)^{\frac{1}{2}}$$

Answer

$$\left(7x\right)^{\frac{3}{2}}$$

Question 3

Rewrite the radical expression as an expression with rational exponents.

$$\sqrt[3]{27x^2y}$$

Accepted Answer

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

Answer

$$9x^{\frac{1}{3}}y^3$$

Answer

$$27x^{\frac{2}{3}}y^{\frac{1}{3}}$$

Answer

$$3x^2y^{ }$$

Question 4

Rewrite the radical expression as an expression with rational exponents.

Accepted Answer

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

Answer

$$\left(10m\right)^{\frac{7}{6}}$$

Answer

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

Answer

$$\left(6m\right)^{\frac{1}{3}}$$

Question 5

Rewrite the radical expression as an expression with rational exponents.

Accepted Answer

Option D is correct

Answer

Answer

B.

Answer

C.

Question 6

Rewrite the radical expression as an expression with rational exponents.

Accepted Answer

$$7^{\frac{1}{2}}$$

Answer

72

Answer

7-2

Answer

$$7^{\frac{2}{1}}$$

Question 7

Which of the following radical expressions is equivalent to this exponential expressions?

Accepted Answer

Question 8

Rewrite with a rational exponent.

Accepted Answer

63/2

Answer

216

Answer

61/2

Answer

62

Question 9

Rewrite the radical expression as an expression with rational exponents.

$$\sqrt[3]{8x^4y^2}$$

Accepted Answer

$$2x^{\frac{4}{3}}y^{\frac{2}{3}}$$

Answer

$$8x^{\frac{4}{3}}y^{\frac{2}{3}}$$

Answer

$$2x^{\frac{3}{4}}y^{\frac{3}{2}}$$

Answer

$$8x^{\frac{3}{4}}y^{\frac{3}{2}}$$

Question 10

When rewriting a power with a negative exponent, so that it no longer has a negative exponent...

Accepted Answer

You must change the sign of the exponent.

Accepted Answer

You must write the reciprocal of the base.

Answer

You must keep the exponent negative.

Answer

You must change the sign of the whole power term.

Answer

You must switch the base with the exponent.

Rewriting an Expression

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