AnswersAZ-Algebra 1A MA101Solving One-Variable Inequalities

Solving One-Variable Inequalities Answers

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Question text not available

Answers:
The inequality that will determine the number of months, x, that are required for the second phone to be less expensive is .:100 + 55x > 150 + 51x
The solution to the inequality is .:x > 12.5
Sal’s mother would have to keep the second cell phone plan for at least months in order for it to be less expensive.:13
74558

x > 2.4x 12.5

A
x > 2.4
B
x < 2.4
C
x < 12.5
D
✔ x > 12.5
74559

2312✔ 13

A
2
B
3
C
12
D
✔ 13
74562

Question text not available

A
x > –1.25
B
x < –1.25
C
x > –0.8
D
x < –0.8
74563

Which number line represents the solution to 2.5 – 1.2x < 6.5 – 3.2x?

A
A number line from negative 5 to 5 in increments of 1. An open circle is at 4 and a bold line starts at 4 and is pointing to the left.
Option A
B
A number line from negative 5 to 5 in increments of 1. An open circle is at 4 and a bold line starts at 4 and is pointing to the right.
Option B
C
A number line from negative 5 to 5 in increments of 1. An open circle is at 2 and a bold line starts at 4 and is pointing to the left.
Option C
D
A number line from negative 5 to 5 in increments of 1. An open circle is at 2 and a bold line starts at 4 and is pointing to the right.
Option D
74564

Which student’s first step was incorrect, and why?

A
Amelia’s, because the variable term must be isolated on the left side
B
Luis’s, because he flipped the inequality sign when he subtracted
C
Shauna’s, because she did not apply the subtraction property of equality properly
D
Clarence’s, because the terms he added together were not like terms
74566

What is the solution to [image 1] (x + 8) > [image 2] (2x + 10)?

Question illustration
A
(–∞, –4)
B
(–4, ∞)
C
(–∞, 4)
D
(4, ∞)
74567

✔ 100 + 55x > 150 + 51x100 + 55x 150x+ 51100x+ 55 < 150x+ 51

Answers:
The inequality that will determine the number of months, x, that are required for the second phone to be less expensive is .:100 + 55x > 150 + 51x
The solution to the inequality is .:x > 12.5
Sal’s mother would have to keep the second cell phone plan for at least months in order for it to be less expensive.:13

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