Quiz about UNIT 6 REVIEW

Question 1

Which expressions are equivalent to 64? Select each correct expression.

Accepted Answer

$$2^6$$

Accepted Answer

$$4^3$$

Accepted Answer

$$8^2$$

Accepted Answer

$$64^1$$

Answer

$$16^2$$

Question 2

Which expressions are equivalent to 81? Select each correct expression.

Accepted Answer

$$3^4$$

Accepted Answer

$$9^2$$

Accepted Answer

$$81^1$$

Answer

$$27^2$$

Answer

$$3^3$$

Question 3

Which of the following statements are true?

Select all that apply.

Accepted Answer

$$4^5=4\cdot4\cdot4\cdot4\cdot4$$

Accepted Answer

$$6^2=6\cdot6$$

Accepted Answer

$$9\cdot9\cdot9=9^3$$

Answer

$$2^3=2\cdot3$$

Answer

$$8\cdot8\cdot8=3^8$$

Question 4

Which of the following equations are correct?

Select all that apply.

Accepted Answer

$$10\cdot10=10^2$$

Accepted Answer

$$2\cdot2\cdot2=2^3$$

Answer

$$2^3=3\cdot3$$

Answer

$$6^5=5\cdot5\cdot5\cdot5\cdot5\cdot5$$

Answer

$$7^2=7\cdot2$$

Question 5

Which expressions represent "the product of 4 and n"?

Accepted Answer

4n

Accepted Answer

$$n\cdot4$$

Answer

n + 4

Answer

n - 4

Answer

$$\frac{n}{4}$$

Question 6

Which expressions represent "the sum of 7 and b"?

Accepted Answer

b + 7

Accepted Answer

7 + b

Answer

7b

Answer

b+b+b+b+b+b+b

Answer

$$b^7$$

Question 7

Identify the factors of the expression "the product of 7.5 and the sum of 3n and 4"? Select each correct answer.

Accepted Answer

3n + 4

Accepted Answer

7.5

Answer

3n

Answer

7.5 + 3n

Answer

4

Question 8

Identify the factors of the expression "the product of 6.1 and the difference of 4y and 8"? Select each correct answer.

Accepted Answer

4y - 8

Accepted Answer

6.1

Answer

4y

Answer

6.1 - 4y

Answer

8

Question 9

What is the value of $$2a^2 - b + 4c ÷ d$$ , when a = 2, b = 5, c = 6, and d = 3?

Accepted Answer

11

Answer

3

Answer

5

Answer

9

Answer

7

Question 10

Select all of the expressions that are equivalent to $$5\left(4a+7b\right)$$

Accepted Answer

$$20a+35b$$

Accepted Answer

$$5\left(4a\right)+5\left(7b\right)$$

Answer

$$54a+57b$$

Answer

$$5(28ab)$$

Answer

$$9a+12b$$

Question 11

Select all of the expressions that are equivalent to $$7\left(2m+5n\right)$$

Accepted Answer

$$14m+35n$$

Accepted Answer

$$7\left(2m\right)+7\left(5n\right)$$

Answer

$$72m+75n$$

Answer

$$7(10mn)$$

Answer

$$9m+12n$$

Question 12

Which expressions are equivalent to $$12+4r$$

Accepted Answer

$$2\left(6+2r\right)$$

Accepted Answer

$$3\left(4+r\right)+r$$

Accepted Answer

$$6\left(1+r\right)+6-2r$$

Answer

$$4\left(3+r\right)-r$$

Answer

$$5\left(2+r\right)+2r-8$$

Question 13

Which expressions are equivalent to $$16+4x$$

Accepted Answer

$$4\left(4+x\right)$$

Accepted Answer

$$2\left(8+x\right)+2x$$

Accepted Answer

$$5\left(2+x\right)+6-x$$

Answer

$$4\left(2+2x\right)-x$$

Answer

$$4\left(4+2x\right)-3x-2$$

Question 14

Are the expressions shown equivalent?

$$4\left(3x+2y\right)$$

$$8x+6y-2x+2\left(3x+2y\right)$$

Accepted Answer

No, the expressions are not equivalent.

Answer

Yes, the expressions are equivalent.

Question 15

Are the expressions shown equivalent?

$$2\left(6x+4y\right)$$

$$6x+3y-4x+2\left(3x+5y\right)$$

Accepted Answer

No, the expressions are not equivalent.

Answer

Yes, the expressions are equivalent.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics