Name the set(s) of numbers to which –10 belongs.

Question

integers, rational numbers

whole numbers, integers, rational numbers

rational numbers

whole numbers, natural numbers, integers

Answer 1

whole numbers, integers, rational numbers

Answer 2

Evaluate u + xy , for u = 2, x = 9, and y = 6.

66

56

24

17

Answer 3

56

Answer 4

The cost of playing golf increases with the number of games played. Identify the independent and dependent quantity in the situation.

hours played; cost

cost; hours played

cost; games played

games played; cost

Answer 5

games played; cost

Answer 6

Evaluate the formula V= Bh/3 for B = 15 in.2 and h = 28 in.

46.7 in.3

14 in.3

420 in.3

140 in.3

Answer 7

140 in.3

Answer 8

Name the set(s) of numbers to which -1/2 belongs.

integers, rational numbers

whole numbers, natural numbers, integers

whole numbers, integers, rational numbers

rational numbers

Answer 9

integers, rational numbers

Answer 10

The function c = 2.50(n – 2) + 1.50 represents the cost c in dollars of printing n invitations. Which of the following is not true?

The cost depends on the number of invitations printed.

One can not print just one invitation.

For each additional invitation, it costs an extra $2.50 to print.

Each invitation costs $1.50 to print

Answer 11

For each additional invitation, it costs an extra $2.50 to print. is not true.

Answer 12

Simplify the expression.

9(10 + 5) ÷ (6 – 5)

95

135

85

17

Answer 13

135

Answer 14

Define a variable and write an expression for the phrase.

4 minus a number


4/n

4n

n/4

4 – n

Answer 15

Let's define the variable n as the unknown number.

The expression for "4 minus a number" would be 4 - n.