Equations in One Variable

Question 1

What is the solution set of –|–x| = –12?

Revolt · Accepted Answer

{–12, 12}

Question 2

✔ addition property of equalitymultiplication property of equalityadditive identityadditive inversesmultiplicative inverses

Revolt · Accepted Answer

addition property of equality; Selection 1: addition property of equality; Selection 2: additive inverses; Selection 3: additive identity; Selection 4: multiplication property of equality

Question 3

Which equation can be used to determine the number of passenger stops, p, Mr. Martin had on Tuesday?

Revolt · Accepted Answer

14 = 0.5p + 12

Question 4

Question 62054

Revolt · Accepted Answer

62080

Question 5

For which equations is x = 9 a possible solution? Check all that apply.|x| = 9–|x| = 9–|–x| = 9–|–x| = –9|x| = –9|–x| = 9|–x| = –9

Revolt · Accepted Answer

|x| = 9; –|–x| = –9; |–x| = 9

Question 6

Avni designs a game in which a player either wins or loses 4 points during each turn. Which equation represents all numbers of points, p, a player may have after his or her first turn of the game?

Revolt · Accepted Answer

|p| = 4

Question 7

74 = 2b – 5✔ 74 = 2b + 5b– 5 = 2(74) b + 5 = 2(74)

Revolt · Accepted Answer

74 = 2b + 5; Selection 1: 74 = 2b + 5; Selection 2: 34.5

Question 8

Question 62058

Revolt · Accepted Answer

62110

Question 9

Determine the flaws in the solution.

Revolt · Accepted Answer

The definition of absolute value is applied incorrectly. There is no solution.; In evaluating the solutions, the absolute value should be simplified first to get a positive value.

Question 10

Jen solved the equation to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 100 from both sides, then multiplying both sides by –2. Which best describes the accuracy of Jen’s work?

Revolt · Accepted Answer

Correct. She could have also subtracted 100 from both sides, then divided by .

Equations in One Variable Answers

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