Multiple Choice
Write an algebraic expression for the following word phrase: the quotient of r and 12.
(1 point)
Responses
r • 12
r • 12
r + 12
r + 12
r ÷ 12
r ÷ 12
r – 12
r ÷ 12
Write a word phrase for the algebraic expression 3x - 7.
(1 point)
Responses
the difference of three times a number x and seven
the difference of three times a number x and seven
the difference of seven and three times a number x
the difference of seven and three times a number x
three times a number x fewer than seven
three times a number x fewer than seven
the quotient of three times a number x and seven
the difference of three times a number x and seven
Simplify the expression: 42 + 8 ÷ 2.
(1 point)
Responses
12
12
20
20
8
8
16
16
16
Find the square root of 25.
(1 point)
Responses
125
125
5
5
10
10
0.05
5
Find the square root of 0.81.
(1 point)
Responses
0.9
0.9
9
9
81
81
0.09
0.9
Name the subset(s) of real numbers to which the number zero belongs. Choose all that apply.
(1 point)
Responses
irrational numbers
irrational numbers
integers
integers
whole numbers
whole numbers
natural numbers