Factor GCF - Preassessment - Math 3 - 1st Block

This is not an accuracy grade. Do not cheat/look at your partner's computer. This is for me to see what YOU know. Do your best and do not guess on the ones you think you can get right! Click OK to get this "question" right. The questions WILL tell you if you are right or wrong as you go through the problems! :)

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Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

List all the factors of 18

• 1, 6, 9, 18
• 1, 2, 3, 4, 18
• 1, 2, 3, 6, 9, 18
• 2, 6, 9, 18

Factor.

4x - 10y + 18

• 2(2x - 5y + 9)

• 2(x + 5y - 9)

• 2(2x - 2y + 3)

• It cannot be factored.

Find the GCF of the following terms;

5xy³z ; 26x²y⁵z² ; 10x³yz²

• 5xyz

• x²y³z⁵

• 2xy³z

• xyz

What is the GCF?
6w³ - 14w

• 6w
• 4
• 2w
• 3w

What is the greatest common factor of the monomials a²b⁵ and a³b³

• a²b³
• a²b⁵
• a³b³
• a³b⁵