Unit 1 Test Review

1. “12 more than the product of 2 and a number x.”

• 2x+12
• 2x-12

• 2(x+12)

• 2(x-12)

“3 subtracted from the quotient of a number x and 7.”

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“3 times the sum of a number x and 8.”

• 3(x+8)

• 3x+8

• 3x+24

• 8x+3

“The difference of twice a number n and 7 is 15.”

• 2n-7=15

• 7-2n=15

• 2(n-7)=15

• 2n+7=15

“20 less than the quotient of a number n and 8 is 22.”

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“Three times the sum of a number n and 33 is the product of 5 and the number itself.”

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“A speed limit of 25.”

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“You must be at least 25 to rent a car.”

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  “A number is greater than 25.”

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“A number must be less than 25.”

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