Module 1 Review

Mathematical Equivalence

ON

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CCSS.HSA.CED.A.4

What is the operation when a coefficient is in front of a variable?

For example: 6x or -10y

• Addition

• Subtraction

• Multiplication

• Division

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CCSS.6.EE.A.2B

According to a survey, 19.6% of women in Daytona Beach that are over the age of 40 work two or more jobs. The survey had a margin of error of ±2.6%. Of the estimated 67,000 women over the age of 40 in Daytona, how many would you expect to work two or more jobs?

SELECT ALL THAT APPLY

• 14,874

• 13,759

• 12,062

• 11,390

The highest temperature recorded in Dallas, Texas was 110°F. This was 30°F warmer than 4 times the lowest temperature recorded in Dallas. Which equation can be used to find the lowest temperature recorded in Dallas? What is the lowest temperature recorded?

• Equation: 4T+30 = 110

  Temperature: 20°

• Equation: T+30 = 110

  Temperature: 80°

• Equation: 4T = 110

  Temperature: 27.5°

• Equation: 4T-30 = 110

  Temperature: 35°

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CCSS.HSA.CED.A.3

Which equation represents this sentence? Four times the sum of a number x and a number y is equal to 20.

• 4xy = 20

• 4x + y = 20

• 4(x + y) = 20

• 4 + x + y = 20

Tags

CCSS.HSA.CED.A.3

Solve 4(x + 9) = 6x + 4

• 3.2

• 6.5

• 16

• 20

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CCSS.8.EE.C.7B

Order the steps to solving an equation:

• Move variables to one side

• Combine like-terms

• Multiply/divide the coefficient

• Distribution

• Add/subtract the constant

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CCSS.7.EE.B.4A

The average student at First Coast has 1,000 Bizi points, give or take 200. Which absolute value equation models this situation?

• |x - 200| = 1000

• |x + 200| = 1000

• |x - 1000| = 200

• |x + 1000| = 200

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CCSS.HSA.CED.A.3

Solve:

2 | x - 4 | = 14

(select all that apply)

• x = 7

• x = 11

• x = 9

• x = -3

Mathematical Equivalence

ON

Tags

CCSS.HSA.REI.B.3