Quiz about 7.7 - Writing Expressions

Question 1

Write the algebraic expression for 'the sum of a number and 5'.

Accepted Answer

x + 5

Answer

x / 5

Answer

x * 5

Answer

x - 5

Question 2

Translate the phrase 'twice a number' into an algebraic expression.

Accepted Answer

2x

Answer

2 + x

Answer

2 - x

Answer

x * 2

Question 3

Simplify the expression 4(n-7) + 8

Accepted Answer

4n - 20

Answer

4n - 36

Answer

4n + 36

Answer

4n + 20

Question 4

Simplify the expression 4(3n - 2) + 5n

Accepted Answer

17n - 8

Answer

12n - 3

Answer

17n + 8

Answer

12n + 5

Question 5

Write the algebraic expression for 'the product of a number and 9'.

Accepted Answer

9x

Answer

9 + x

Answer

x / 9

Answer

9 - x

Question 6

Translate the phrase 'the difference between a number and 3' into an algebraic expression.

Accepted Answer

x - 3

Answer

3 - x

Answer

3x

Answer

x + 3

Question 7

Simplify the expression 2(2n + 1) - 7.

Accepted Answer

4n - 5

Answer

2n - 7

Answer

2n - 5

Answer

4n -9

Question 8

Write the algebraic expression for 'the quotient of a number and 6'.

Accepted Answer

$$\frac{m}{6}$$

Answer

6m

Answer

m + 6

Answer

m - 6

Question 9

Translate the phrase 'the sum of twice a number and 4' into an algebraic expression.

Accepted Answer

2x + 4

Answer

2x * 4

Answer

2x - 4

Answer

2x / 4

Question 10

Zoey is working on the yearbook. She has 14 pages to complete. The sponsor has given Zoey 252 pictures to use on all 14 pages. Zoey decides to use the same number of images on each page.

Which equation can be used to determine how many pictures, p, Zoey will use on each page?

Accepted Answer

$$14p=252$$

Answer

$$\frac{14}{p}=252$$

Answer

$$14-p=252$$

Answer

$$14+p=252$$

Question 11

After 6 new basketball players joined the team there were 23 total players.

Which equation can be used to determine the number of players, n, there were on the team before new players joined?

Accepted Answer

$$n+6=23$$

Answer

$$6n=23$$

Answer

$$\frac{6}{n}=23$$

Answer

$$6-n=23$$

7.7 - Writing Expressions

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