1.
Which phrase does
not
indicate subtraction?
A.
the ratio of
B.
decreased by
C.
less than
D.
the difference of
Hint
2.
In the expression, 12
·
z
, the letter
z
is called the _____ because it stands for an unknown number.
A.
numerical expression
B.
variable
C.
algebraic expression
D.
product
Hint
3.
Write a verbal expression for the algebraic expression 24 - (15 ÷
z
).
A.
the quotient of 15 and
z
subtracted from 24
B.
24 less than 15 divided by
z
C.
the quotient of 15 and
z
decreased by 24
D.
the product of 15 and
z
subtracted from 24
Hint
4.
The cost of a shirt is $11.99. When Ian pays for the shirt plus tax with a 20-dollar bill, he receives $7.30 in change. Which equation represents this situation if
t
is the tax on the shirt?
A.
20.00 - 11.99
t
= 7.30
B.
11.99
t
= 20.00 - 7.30
C.
11.99 +
t
= 20.00 - 7.30
D.
t
- 11.99 = 20.00 - 7.30
Hint
5.
Write a sentence for 29
m
– 3
n
= 4 ÷
m
A.
Twenty-nine times a number minus three times that number equals four times the number.
B.
Twenty-nine times a number minus three times another number equals four divided by the first number.
C.
Four divided by twenty-nine times a number equals three times another number minus the first number.
D.
Four divided by a number equals twenty-nine times the number minus three times the number.
Hint