NC.7.EE.1 Exam Prep

Which expression is equivalent to –6(3x – 7)?

• 18x – 42

• –18x – 42

• –18x + 42

• 3x – 13

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NC.7.EE.1

What is the perimeter of a triangle with sides measuring (2x + 5), (3x – 1), and (x + 6)?

• 6x + 10

• 6x + 12

• 5x + 10

• 6x + 11

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NC.7.EE.1

A party venue charges $300 for the first two hours and $100 for each additional hour. If a party costs a total of $600, the equation 300 + 100(h − 2) = 600 can be used to determine (h), the number of hours the venue was rented. Which of the following equations is equivalent to the equation above?

• 100h + 300 = 600

• 100h + 100 = 600

• 400h – 2 = 600

• 100h – 200 = 600

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NC.7.EE.1

Which expression is equivalent to 15 – 3m + 8m – 2 – 6m?

• –m + 13

• 2m + 13

• –m + 17

• 5m + 13

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NC.7.EE.1

Which expression is equivalent to 6x + 2(5x + 1) − 3x?

• 13x + 2

• 11x + 1

• 10x + 2

• 13x + 1

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NC.7.EE.1

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Four students wrote expressions using the variable x.

If x represents a positive integer, order their expressions from least to greatest value.

• Sophia

• Tyler

• Quinn

• Riley

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NC.7.EE.1

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NC.7.EE.1

Which expression is equivalent to 4.5(x + 2.1)?

• 4.5x + 9.45

• 4.5x – 9.45

• 4.5x + 2.1

• 4.5x + 6.6

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NC.7.EE.1

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NC.7.EE.1