FINDING ALL ZEROS OF A POLYNOIMIAL FUNCTION WORKSHEET

Problem 1 :

Find all of the rational zeros of

f(x) = 5x³ + 12x² - 29x + 12

Problem 2 :

f(x) = 8x⁴ + 2x³ + 5x² + 2x - 3

Problem 3 :

x³ + 4x² - 25x - 28

Problem 4 :

x⁴ + 2x³ - 11x² + 8x - 60

Problem 5 :

x³ + 6x² + 4x + 24

Problem 6 :

4x⁴ + 5x³ + 30x² + 45 x - 54

Answer Key

1) the solutions are -4, 1 and 3/5.

2) the solutions are 1/2, -3/4 and ±i

3) the solution are -1, 4 and -7.

4) x = ±2i and x = -5

5) the solution -6, i and -i.

6) the solutions are -2, 3/4, 3i and -3i