Grade 8 (Online) Final
  • 1. What is the process of finding the factors of an expression which is the reverse process of multiplication?
A) rationalization
B) continuous division
C) factoring
D) special product
  • 2. What is the Greatest Common Factor of 12 and 24?
A) 12
B) 4
C) 2
D) 24
  • 3. Which of the following pair of numbers has a GCF of 6?
A) 6 and 10
B) 2 and 3
C) 12 and 18
D) 8 and 12
  • 4. What is the GCF of 2a3 and a6?
A) 2a3
B) a6
C) 2a6
D) a3
  • 5. What is the GCF of a5b8, a4b6, a3b9, and a12b10?
A) a12b6
B) a3b6
C) a12b8
D) a5b8
  • 6. All of the following are factors of 12x2 Except one. What is it?
A) 12x
B) 12x2
C) 12x3
D) 12
  • 7. What is the GCF of the expression 4x4 + 6x?
A) 2x4
B) x
C) 2
D) 2x
  • 8. If one factor of 4x2 + 6 is 2, what is the other factor?
A) 2x+3
B) 4x+6
C) 2x2+3
D) 2x+6
  • 9. Which of the following is a perfect square?
A) 12x4
B) 36x6y7
C) 16x2y2
D) 25x5y6
  • 10. Using the pattern for factoring the sum of cubes, we know that factoring 8 + 𝑏3 gives?
A) (2 - 𝑏)(4 + 2𝑏 + 𝑏2)
B) (2 - 𝑏)(4 − 2𝑏 + 𝑏2)
C) (2 + 𝑏)(4 + 2𝑏 + 𝑏2)
D) (2 + 𝑏)(4 − 2𝑏 + 𝑏2)
  • 11. What is the value of x that will make the expression (𝑥4−3𝑥+5)/(𝑥2−6𝑥+9) undefined?
A) 3
B) 4
C) 1
D) 2
  • 12. What is the Greatest Common Factor of 33 and 99?
A) 33
B) 3
C) 11
D) 9
  • 13. All of the following are factors of 12x2 EXCEPT one. What is it?
A) 6
B) x3
C) 12x2
D) 12
  • 14. What value of x would make y = 0 in the equation 3x + y = 3?
A) -1
B) 2
C) 0
D) 1
  • 15. What is the Greatest common factor of 11, 13 and 17?
A) 1
B) 3
C) 5
D) 11
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