Factoring Review HW

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

Factor: 25x² - 36y²

• 5x + 6y(5x - 6y)

• (5x + 6y) (5x - 6y)

• (5x + 6y)²

• (5x - 6y)²

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Factor:
 x² - 15x + 50

• (x - 10)(x - 15)
• (x - 10)(x - 5)
• (x - 25)²
• (x - 5)²

Factor completely:

3x² + 18x +15

Hint: Factor GCF first.

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• cannot be factored

Find the greatest common factor. 6x⁴y³-12x⁴y²+6x³y²

• 6

• 6xy

• 6x³y²

• 6x⁹y⁶

Which binomials can be factored using difference of two squares?

I. 6a²-25

II. 4x²+16

III. b²-9

IV. 49y²-64

• I only

• III only

• III and IV

• II, III, and IV

What is the GCF of "3x²-15x-21" ?

• 4

• 2

• 1x

• 3

What is the complete factored form of "4x - 22" ?

• 4 (x - 22)

• 2 (x - 22)

• 2 (2x - 11)

• x (4x - 22)

What are the factors of "x² - 7x - 44" ?

• (x + 11)(x + 2)

• (x + 11)(x - 4)

• (x + 22)(x - 15)

• (x - 11)(x + 4)