Rational Root Theorem Quiz

Use the Rational Root Theorem to determine the list of possible rational roots.

• A
• B
• C
• D

Tags

CCSS.HSA.APR.B.2

Which of the following is NOT a possible rational zero for p(x). 

• A
• B
• C
• D

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = x³ + 2x² - 6x + 8

• ±1, ±8
• ±1, ±2, ±4, ±8
• ±1, ±2, ±4
• 1, 2, 4, 8

Tags

CCSS.HSA.APR.B.2

Below are four possible zeros for this polynomial.

Figure out which one "works"

f(x) = x³ + 2x² - 11x - 12

• -3

• -4

• 1

• 6

Tags

CCSS.HSF-IF.C.7C

Solve by using Rational Root Theorem: 
x³ - 7x - 6 = 0

• 1, 2, 3
• -1, -2, - 3
• -1, -2, 3
• 1,-2,-3

Tags

CCSS.HSA.APR.B.2

For synthetic division, what would be the number in the left hand box? (The number outside the L)

• 0
• 1
• 2
• 3

Tags

CCSS.HSA.APR.D.6

Cal divided (x⁴ + 3x² - 4x - 2) by factor of (x-2) using synthetic division. His work is shown above. Which best describes his mistake?

• Cal wrote the remainder incorrectly.

• Cal did not use a zero place holder for the x³ term.

• Cal added instead of subtracting the rows.

• Cal should have used -2 as his division since the factor was x-2.

Tags

CCSS.HSA.APR.D.6

Find the actual roots
2x³ - 11x² + 12x + 9 = 0

• -1, 1, 3
• -1, 3/2, 3 
• -1/2, 3, 3
• -1/2, 1, 3

Tags

CCSS.HSF-IF.C.7C

One zero of 3x³-4x²-28x-16 is 4.
What is another zero?

• 8
• -2
• 6
• 1

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3