Solving One-Variable Inequalities — Unit test Answers

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21
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What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?

A
–12 – 20x ≤ –6x + 9
B
–12 – 20x ≥ –6x + 9
C
–12 + 20x ≤ –6x + 9
D
–12 + 20x ≥ –6x + 9
22
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Solve the inequality.2(4x – 3) ≥ –3(3x) + 5x?

A
x ≥ 0.5
B
x ≥ 2
C
(–∞, 0.5]
D
(–∞, 2]
24

Kate begins solving the equation (6x – 3) = (6x – 4). Her work is correct and is shown below.(6x – 3) = (6x – 4)4x – 2 = 3x – 2

Question illustration
A
The equation has infinite solutions.
B
The equation has one solution: x = 0.
C
The equation has one solution: x = .
Option C
D
The equation has no solution.

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