Solving Polynomials

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 3x³ + 2x² - 6x + 7

• ±1, ±7, ±1/3, ±7/3

• ±1, 7

• ±1, ±3, ±7, ±7/3

• ±1, ±3, ±7, ±1/3, ±7/3

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

Solve by using Rational Root Theorem: 
2x³ - 11x² + 12x + 9 = 0

• -1, 1, 3

• -1, 3/2, 3 

• -1/2, 3, 3

• -1/2, 1, 3

According to the Rational Root Theorem, what are the all possible rational roots? 
2x³ - 11x² + 12x + 9 = 0

• ±1,±2

• ±1,±3,±9

• ±1,±3±9,±1/2,±3/2,±9/2

• ±1,±2,±1/3,±2/3,±1/9,±2/9

How many possible negative rational solutions answers are there for x⁴ - 17x³ + 77x² - 127x + 66 = 0?

x⁴ - 3x³ - 7x² + 15x + 18 = 0

Find all the solutions. What solution is the answer twice?

What is the sum of all the roots of the following polynomial? x³ - x² + 2x - 2 = 0

What is the sum of all the roots of the following polynomial? x³ + 7x² + 5x - 28 = 0

What is the sum of all the roots of the following polynomial? x³ - 4x² + 7x - 12 = 0

• a = 0

• a = 2

• a = -2, 0

• a = 2, 0