CCSS.Math.Content.HSA.APR.B.2

Let f(x) = 4x^2 -33x -27.  Is k = 9 a zero of the function?

• yes
• no

Tags

CCSS.Math.Content.HSA.APR.B.2

Factor:
x² - 49

• (x + 7)(x - 7)
• (x + 7)²
• (x - 7)²
• (x+7)(x-1)

Tags

CCSS.Math.Content.HSA.APR.B.2

Factor completely: -5x²+30x-40

• -5(x-2)(x-4)
• (x-2)(x-4)
• -(5x-8)(x-5)
• (5x+10)(x+4)

Tags

CCSS.Math.Content.HSA.APR.B.2

Find the root(s) of the function.

• x = 3
• x = {-3, -1, 2}
• x = {-3, 2}
• x = -1

Tags

CCSS.Math.Content.HSA.APR.B.2

Factor:

k² − 2k − 24

• (k + 4)(k − 6)

• (k + 4)(k + 6)

• (k + 6)(k − 1)

• (k − 4)(k + 6)

Tags

CCSS.Math.Content.HSA.APR.B.2

Factor

n² + 16n + 63

• (n-7)(n+4)

• (n+7)(n-9)

• (n-3)(n-10)

• (n+7)(n+9)

Tags

CCSS.Math.Content.HSA.APR.B.2

if 1 is a zero of polynomial p(x)=ax² -3(a-1)-1, then the value of a is

• 2

• 3

• 1

• -2

Tags

CCSS.Math.Content.HSA.APR.B.2

Factor u² - 100

• (u - 10)(u + 10)

• (u - 10)(u - 10)

• (u + 10)(u + 10)

• (u - 10)²

Tags

CCSS.Math.Content.HSA.APR.B.2

Find a zero of the polynomial p(x) = 2x + 1.

• 1/2

• 0

• -1/2

• none of these

Tags

CCSS.Math.Content.HSA.APR.B.2

Which of the following ARE possible roots of the polynomial function?

Choose ALL that apply.
 $f\left(x\right)=2x^3+5x^2-2x-6$  

• 2

• -3

• -3/2

• 5

• 2/3

Tags

CCSS.Math.Content.HSA.APR.B.2