Pre-Algebra Midterm Exam Review 2023 2024

List the first 5 multiples of 12.

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• 15, 30, 45, 60, 75
• 12, 24, 36, 48, 60
• 8, 16, 24, 32, 40
• 10, 20, 30, 40, 50

Name all number sets to which the given real number belongs. -2.75...

• Rational

• Irrational

• Integer

• Whole

• rational, whole, and natural

• irrational

• integer, rational, whole, and natural

• integer, rational, and natural

Name all number sets to which the given real number belongs. 0

• rational, whole, and natural

• irrational

• integer, rational, whole, and natural

• integer, rational, and whole

List all the factors of 126.

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• 1, 2, 3, 6, 9, 14, 21, 42, 63, 126

• 1, 2, 3, 6, 7, 18, 21, 42, 63, 126

• 1, 2, 6, 7, 18, 9, 14, 21, 63, 126

• 1, 2, 3, 6, 7, 18, 9, 14, 21, 42, 63, 126

Use prime factorization to find the LCM of 84, 126, and 288.

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Answer explanation

Remember to use all factors and the greatest exponent on each factor.

Use prime factorization to find the GCF of 84, 126, and 288.

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Evaluate responses using AI:

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Answer explanation

Remember to use the common factors and the smallest exponent on each common factor.

• 9.6

• 17.6

• 0.6

• 8.6