Name:______
Algebraic Expressions
1.Before she went to the grocery store, Jana had 4 tomatoes in her refrigerator. For the next 3 weeks she buys n number of tomatoes each week.
Which algebraic expression represents how many tomatoes she has at the end of three weeks?
A. 4 − 3nB. 4 + 3nC. 3n − 4D.
2.Evaluate 31 + 2x when x = 4.
A. 33B. 37C. 39D. 132
3.Evaluate 4a + 5b when a = 2 and b = −3.1.
A. 6.5B. 16.1 C. 21.5 D. −7.5
4.Evaluate bc + 2d when b = −3, c = −7 and d = 2.4.
A. 16.2 B. 16.4 C. 25.6 D. 25.8
5.Evaluate 0.53n + 5 when n = 3 and when n = −3.
A. 6.59 and 3.41 B. −6.59 and 3.41 C. −6.59 and −3.41 D. 6.59 and −3.41
6.Diane purchase 12 handkerchiefs for a certain amount of money.
Using m for the cost of one handkerchief, which expression illustrates the amount of money spent on all the handkerchiefs?
A. 12 − m B. 12 + m C. 12m D.
7.Mark has been collecting 11 map pencils each week for several weeks. He then gives 13 pencils to his friend.
If p represents the number of weeks that Mark has been collecting pencils, which expression represents the total number of pencils that Mark has collected?
A. 11p − 13 B. 11p + 13 C. 11 + 13p D. 13p − 11
8.Which expression indicates 10 subtracted from 9n?
A. 10 − 9n B. 9n − 10 C. 10 + (−9n) D. 9 − 10n
9.Rose blew h bubbles in two hours.
Which algebraic expression shows how many bubbles she blew in one minute?
A. B. C. D.
10.Car rental at Q.T. Rental is $22 per day plus an initial deposit of $36.
Which expression shows how much it will cost to rent a car for d number of days?
A. 22d − 36 B. 22 − 36d C. 36 − 22d D. 36 + 22d
11.Before he went to the toy store, David had 13 toy cars. For the next 5 weeks he buys n number of cars each week.
Which algebraic expression represents how many toy cars he has at the end of five weeks?
A. 13 − 5n B. 13 + 5n C. 5 − 13n D.
12.Evaluate 12 – 4x when x = 2.
A. -4 B. 4 C. 6 D. 16
13.Evaluate 3a + 6b when a = 5 and b = –2.4.
A. 0.6 B. -0.6 C. -6.4 D. 6.6
14.Evaluate ab + 3c when a = –6, b = –2, and c = 5.
A. 0 B. 3 C. 4 D. 27
15.Evaluate 0.67y + 4 when y = 2 and when y = –2.
A. 5.34 and 2.66 B. –5.34 and 2.66 C. –5.34 and –2.66 D. 5.34 and –2.66
16.Tammy purchases 16 pairs of socks for a certain amount of money.
Using s for the cost of one pair of socks, which expression represents the total cost of all 16 pairs of socks?
A. 16 – s B. 16 + s C. 16s D.
17.Vincent has been collecting 13 rocks per week. He gives 7 rocks away to a friend.
If w represents the number of weeks that Vincent has been collecting rocks, which expression represents the total number of rocks that Vincent has collected?
A. 13w – 7 B. 13w + 7 C. 13 + 7w D. 7w – 13
18.Write the expression that represents 7 subtracted from 8n.
A. 7 – 8n B. 8n – 7 C. 7 + (-8n) D. 8 – 7n
19.Tube rental at Totally Tubular is $5 per hour plus an initial deposit of $17.
Which expression represents how much it will cost to rent a tube for d number of hours?
A. 5d – 17 B. 5 – 17d C. 17 – 5d D. 17 + 5d
20.Aiden typed h words in three hours.
Which algebraic expression represents how many words per minute Aiden typed?
A. B. C. D.