AnswersEAP-Algebra I AExpressions in One Variable

Expressions in One Variable Answers

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What is the value of the expression when y = 2?

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A
3
Option A
B
6
C
6
Option C
D
12
2
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The expression 15n + 2(3p) represents the amount Isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. Which statement is true about the amount Isaiah spent?

A
He spent 6p dollars on gasoline.
B
He spent n + p dollars in all.
C
He bought 15 gallons of gasoline.
D
He bought 6 dollars worth of snacks.
3

What is the value of + 2x2, when x = 3?

Question illustration
A
8
B
11
C
14
D
20
4

A cell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent. If t represents the number of text messages Roxy sent last month, which expression represents the cost of her bill last month before any taxes or additional fees?

A
40 − 0.2t
B
(40 + 0.2)t
C
40 + 0.2t
D
(40 − 0.2)t
5

Alexis bought x boxes of cereal for $3 each, including tax, and paid with a $20 bill. Which expression represents the total amount of change she should receive?

A
20 – 3x
B
(3 – 20)x
C
3x – 20
D
(20 – 3)x
6

What is the value of the expression when n = 3?

Question illustration
A
12
B
24
C
42
D
54
7

Huang buys 3 shirts that each cost the same amount, a pair of pants that cost $12, and he pays with a $100 bill. Which expression represents the amount of change Huang should receive? Select three options.

A
100 – (12(3x))
B
100 – (3x+12)
C
(100 – 12) – 3x
D
(100 – 12)(x+x+x)
E
100 – (x+x+x) – 12
8

How many terms are in the expression shown? 2n + 5 – 3p + 4q

A
1
B
2
C
3
D
4
9

The value of the expression when x = 5 is

Question illustration
A
119.
B
129.
C
135.
D
145.
10

Luke is 5 years younger than 3 times Sydney’s age, s. In this situation, what does 3s represent?

A
Luke’s age
B
Sydney’s age
C
three times Luke’s age
D
three times Sydney’s age

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