Lesson and Quiz on Factoring Quadratic Trinomials

Lesson and Quiz on Factoring Quadratic Trinomials

Multiple Choice

To factor

$$x^2+8x+15$$  , find two factors of 15 whose sum is _____.

• 1

• 2

• 8

• 15

Multiple Choice

To factor

$$x^2-10x-24$$ , which of the following factors of $$-24$$  must be chosen in the process?

• $$-2,\ 12$$  

• $$-6,\ -4$$  

• $$2,\ -12$$  

• $$-6,\ 4$$  

Multiple Choice

Factor

$$w^2-w-12$$  

• $$(w-6)(w+2)$$  

• $$(w-4)(w+3)$$  

• $$(w-6)(w-6)$$  

• $$(w+4)(w-3)$$  

Multiple Choice

Factor

$$x^2-10x+16$$  

• $$(x+12)(x-2)$$  

• $$(x-4)(x-6)$$  

• $$(x+10)(x-2)$$  

• $$(x-2)(x-8)$$  

Multiple Choice

Factor:

$$x^2+6x+8$$  

• $$(x+4)(x+3)$$  

• $$(x+2)(x+3)$$  

• $$(x+4)(x+2)$$  

• $$(x+5)(x+1)$$  

Multiple Choice

Factor $$x^2+9x-36$$  

• $$(x+12)(x-3)$$  

• $$(x+9)(x-4)$$  

• $$(x-9)(x-4)$$  

• $$(x-12)(x+3)$$  

Multiple Choice

Factor

a² - a - 12

• (a - 4)(a + 3)

• (a + 6)(a - 4)

• (a - 6)(a + 4)

• (a + 4)(a - 3)

FACTORING QUADRATIC TRINOMIALS

a other than 1

Multiple Choice

Factor:
 2m² + 3m - 9

• 2(m + 3)(m - 3)
• (2m - 3)²
• (m + 3)(2m - 3)
• (2m + 3)(m - 3)

Multiple Choice

Factor Completely:  6x² + 5x - 6

• 6(x + 1)(x - 6)
• (6x + 6)(x - 1)
• (2x - 3)(3x + 2)
• (3x - 2)(2x + 3)

Multiple Choice

Factor Completely: 3n² - 15n + 18

• (n - 2)(n - 3)

• 3(n + 2)(n + 3)

• (3n - 9)(n - 2)

• 3(n - 3)(n - 2)