Chapter 1 Review

Which expression means:
15 miles less than Debbie

• d + 15
• d - 15
• 15 - d
• 15 + d

Translate this phrase into an algebraic expression.

The quotient of twenty and a number

Use the variable n to represent the unknown number.

• 20/n

• 20-n

• n+20

• n-20

Translate this phrase into an algebraic expression.

The difference of 3 times a number and 7

Use the variable n to represent the unknown number.

• 3 - 7n

• 3n - 7

• 3n + 7

• 3 / 7n

Translate this phrase into an algebraic expression.

2 times the sum of a number and 15

Use the variable B to represent the unknown number.

• 2(B+15)

• 2B+15

• 2B×15

• 2×15B

Choose the statement that describes the numerical statement.

12 - (6 x 4)

• Multiply 6 and 4, then subtract the product from 12

• Subtract 12, and then multiply 6 and 4

• The difference of 12 multiplied by 6 and 4

• 6 fours and the difference of 12

Simplify    5(2 - 7n)

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

4a + 9 + a

• 5a + 9
• 14a
• 3a + 9
• 5a - 9

In the expression below, the w is known as the _________________________

3w

• coefficient

• variable

• constant term

In the expression below, the 3 is known as the _________________________

3y

• coefficient

• variable

• constant term