Factor Quadratic Equation

Which expression is a factor of 30x² - 4x - 16?

• 5x + 4

• 3x - 2

• 5x - 4

• 3x - 4

Which expression is a factor of 10x² - 19x + 6?

• 10x - 3

• 10x - 1

• 5x - 3

• 5x - 2

Which function is equivalent to k(x) = x² + 2x - 15?

• k(x) = (x + 15)(x - 1)

• k(x) = (x + 1)(x - 15)

• k(x) = (x + 5)(x - 3)

• k(x) = (x + 3)(x - 5)

Which expressions are equivalent to 12x² - 48x + 48? Select TWO correct answers.

• 12(x - 2)²

• -12(x² + 4x + 4)

• 12(x - 4)(x - 1)

• -12(x + 2)²

• 12(x² - 4x - 4)

Tags

CCSS.HSA.APR.C.4

The expression d ² - d - 6 can be written in factored form as (d + 2)(d + k), where k represents a number.

What is the value of k?

Mathematical Equivalence

OFF

x² + 11x + 24

• (x + 6)(x + 4)

• (x + 12)(x + 2)

• (x - 8)(x - 3)

• (x + 8)(x + 3)

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2

• x=-3,2

• x=2,3

• x=3,2

Tags

CCSS.HSA-REI.B.4B

What is the first step in solving (x + 2)(x - 3) = 0 ?

• Plug in zero for x

• Solve for x

• distribute

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

• (x - 9)(x - 3)

• (x + 9)(x - 3)

• (x - 9)(x + 3)

• (x + 9)(x + 3)

• (x + 9)(x - 3)

• (x - 9)(x + 3)

• (x - 9)(x - 3)

• (x + 9)(x + 3)