10E & 8A: Factor/Solve Quadratic Equations by Factoring

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

• 5x + 4

• 3x - 2

• 5x - 4

• 3x - 4

Tags

CCSS.HSA.APR.B.2

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

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)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the POSITIVE solution to x² + 9x - 22 = 0?

Mathematical Equivalence

OFF

Tags

CCSS.HSA-REI.B.4B

Which value of x is the solution to this equation?

5x² = 30x - 45

• x = 3

• x = -3

• x = 5

• x = -5

Tags

CCSS.HSA-REI.B.4B

What value of x is a solution to this equation?

3x² - 30x - 72 = 0

Mathematical Equivalence

OFF

Tags

CCSS.HSA-REI.B.4B

What is the solution set for 2x² + 15 = -11x ?

• {-3, -2.5}

• {2.5, 3}

• {1.5, 5}

• {-2.75, -.125}

Tags

CCSS.HSA-REI.B.4B

What is the POSITIVE solution to this equation?

4x² + 12x = 135

Mathematical Equivalence

OFF

Tags

CCSS.8.EE.A.2