3.2 - Polynomial Roots

Solve a³-9a²+14a=0.

• -7, -2
• 7, 2
• 0, -7, -2
• 0, 7, 2

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Tags

CCSS.HSF-IF.C.7C

Factor completely:
2x³ + 5x² - 8x - 20

• (x² - 4)(2x + 5)
• (2x - 5)(x² + 4)
• (2x² - 4)(x + 5)
• (x - 2)(x + 2)(2x + 5)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

List the potential real zeros of:
f(x) = 5x³ - x² + 3

• ±1/5, ±3/5, ±1, ±3
• ±1/3, ±5/3, ±1, ±5
• ±1/5, ±3/5, ±1, ±3, ±5
• ±1/5, ±1/3, ±1, ±3, ±5

Tags

CCSS.HSA.APR.B.3

True or False: If (7x + 4) is a factor of some polynomial function, then 4/7 is a zero of the function.

• True

• False

Tags

CCSS.HSA.APR.B.2

How many roots or zeros does the equation
f(x) = 5x⁴-8x³+4x²-6x+3 have?

• 3
• 4
• 5
• 0

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

List the potential real zeros of:
f(x) = 5x³ - x² + 3

• ±1/5, ±3/5, ±1, ±3
• ±1/3, ±5/3, ±1, ±5
• ±1/5, ±3/5, ±1, ±3, ±5
• ±1/5, ±1/3, ±1, ±3, ±5

Tags

CCSS.HSA.APR.B.3

Which binomial is a factor of
f(x)= x³ -6x² +3x +10?

• x + 1
• x + 2
• x + 5
• x + 10

Tags

CCSS.HSA.APR.B.2