AnswersVOA Math MN-Algebra I with Quadratics CR 1CSolving Linear Equations: Variable on One Side

Solving Linear Equations: Variable on One Side Answers

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The equation 9(u – 2) + 1.5u = 8.25 models the total miles Michael traveled one afternoon while sledding, where u equals the number of hours walking up a hill and (u – 2) equals the number of hours sledding down the hill. Which is the value of u?

A
u = 0.25
B
u = 0.75
C
u = 1.1
D
u = 2.5
2
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What are the possible steps involved in solving the equation shown? Select three options.3.5 + 1.2(6.3 – 7x) = 9.38

A
Add 3.5 and 1.2.
B
Distribute 1.2 to 6.3 and –7x .
C
Combine 6.3 and –7x .
D
Combine 3.5 and 7.56.
E
Subtract 11.06 from both sides.
3

Solve the equation.5x + 8 − 3x = −10

A
x = −9
B
x = −1
C
x = 1
D
x = 9
4

A coordinate grid with 2 lines. One line, labeled f(x) passing through (negative 2, 4), (0, 2), and the point (1, 1). The other line is labeled g(x) and passes through (negative 3, negative 3), (0, 0) and the point (1, 1).

Question illustration
A
x = −1
B
x = 0
C
x = 1
D
x = 2
5

A coordinate grid with 2 lines. One line, labeled f(x) passing through (negative 3, 3), (0, 3), and the point (4, 3). The other line is labeled g(x) and passes through (negative 4, negative 3), (0, 0), and the point (4, 3).

Question illustration
A
x = −1
B
x = 0
C
x = 3
D
x = 4
6

Rahul solved the equation 2(x – ) – x = . In which step did he use the addition property of equality?

Question illustration
A
Step 1
B
Step 2
C
Step 3
D
Step 4
7

Two functions are defined as shown.f(x) = x – 2g(x) = –1Which graph shows the input value for which f(x) = g(x)?

Question illustration
A
Option
B
Option
C
Option
D
Option
8

Consider the functions shown on the graph.

Question illustration
A
0.0
B
0.5
C
1.5
D
3.0
9

Mustafa’s soccer team is planning a school dance as a fundraiser. The DJ charges $200 and decorations cost $100. The team decides to charge each student $5.00 to attend the dance. If n represents the number of students attending the dance, which equation can be used to find the number of students needed to make $1,500 in profit?

A
5n – 300 = 1,500
B
5n + 300 = 1,500
C
5n – 200 + 100n = 1,500
D
5n – 100 – 200n = 1,500
10

Sean began jogging to live a healthier lifestyle. On his first run, he ran one-half mile. He increased his workouts by adding two miles a month to his run. He wrote the equation f(x)= 0.5 + 2x to model his progress. The variable x represents the number of

A
miles he runs.
B
months he runs.
C
miles he ran the first day.
D
calories he burns.

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