AnswersEAP-Algebra I AExpressions in One Variable

Expressions in One Variable Answers

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What is the coefficient in the expression shown? 42 + 2c

A
2
B
42
C
c
D
2c
2
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Javier used the expression below to represent his score in a game of mini-golf.3x + x + 5 – 2xIf he simplifies the expression, which statements are true about the parts of the simplified expression? Select three options.

A
The constant is 2.
B
The coefficient is 2.
C
The constant is 5.
D
The coefficient is 5.
E
There are two terms.
3

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
4

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

A
1
B
2
C
3
D
4
5

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.
6

If x represents the amount Rita earns each week, which expression represents the amount she earns in a year?

A
x + 52
B
52 – x
C
StartFraction x Over 52 EndFraction
Option C
D
52x
7

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
8

What is the value of 4p − 2, when p = 8?

A
16
B
24
C
30
D
34
9

When x = 5, the value of the expression –2(x – 10) is

Question illustration
A
–21
B
–9
C
9
D
19

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