MATH - GRADE 8 - OBEDIENCE

1. What is the first step when factoring polynomials?

• List all the terms

• Find the GCF

• Find the LCM

• Make the X and fill in the top and bottom

2. Factor using GCF or monomial factoring:

2n²-8n³

• 2n²(1-4n)

• 2n³(10-8n²)

• 2n²(n-4n²)

• 3n(1-4n)

3. What is the common monomial factor of 6x³ + 3x² - 12x?

• 3x

• 3x²

• 2x

• 3

4. The factored form of m² + 6m + 5 is

(m+2)(m+ 3)

• True

• False

5. What is the factor 9x+45?

• 9x(1+ 5)

• 9(x+45)

• 9(x+5)

• 9X

6. What is the factor of 6x²-24x?

• 6x(x-4)

• 6(x²-24x)

• 6x(x-24x)

• 6x²(1-24x)

7. Which is a common factor of 12x and 27?

• 12

• x

• 3

• 9

8. Factor out the GCF:

10x³ - 15x

• x(10x² - 15)

• 5(2x³ - 3x)

• 5x(2x² - 3)

• 5x²(10x - 3)

9. Factor using GCF or monomial factoring:

x² - 5x

• 1(x - 5)

• x(x - 5)

• x(x - 5x)

• x²(1 - 5)

10. GCF of 28 and 40

• 2

• 4

• 7

• 8