Precalc Honors Rational Zeros

Which of the following is a COMPLETE list of all possible Rational Zeros?

f(x) = 2x³ + 5x² - 9x + 5

• ±1, ±5, ±1/2, ±5/2

• ±1, ±2, ±5, ±1/2, ±5/2

• ±1, ±5

• ±1, ±2, ±5, ±1/2, ±5/2,±2/5

Is (x-2) a factor of 
(x³+2x²-4x-8)

• No
• Yes

Find all real solutions of the polynomial equation x³ - 3x² - 2x + 4 = 0

• x = -1, 1 ± √5
• x = 1, 1 + √5
• x = 2, 1 ± √5
• x = 1, 1 ± √5

Tags

CCSS.HSA.APR.B.3

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

• 8
• -2
• 6
• 1

Find all rational zeros, one zero has been given.
f(x) =x³-3x²-25x+75; 5

• 5,-3,5
• 5,5,5
• 3,-5,5
• 1,1,1

Which root has even multiplicity?

• 1
• -4
• -1
• 2

Tags

CCSS.HSA.APR.B.3