Distributing and GCF

What is the GCF of 18 and 24?

• 3

• 6

• 42

• 72

Simplify the following expression:
-6x + 4(-x - 3)

• -2x - 12
• 10x + 12
• -10x - 12
• -2x + 12

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25

• 1, 5, 25

• 1, 25

• 1, 5

Answer explanation

The Greatest Common Factor of two prime numbers is

• 0

• 1

• There are no common factors.

• Themselves.

Answer explanation

What does GCF stand for?

• Great Change Factors

• Greatest Common Factor

• Greatest Common Showman

• Grandest Combined Factor

• No, this is wrong!

• Yes, this is right!

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of 20, 44, and 88?

• 4
• 2
• 22
• 1