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