 Solving Polynomial Equations Terms of Use    Contact Person: Donna Roberts  Directions: Solve these polynomial equations for the indicated variable.

1.
Solve:  -8b3 - 18b2 - 4b = 0

Choose:
 b = 0; b = -¼; b = -2 b = 0; b = -½; b = -2 b = 0; b = ¼; b = -2 b = 0; b = ½; b = -2 2.
a) How many unique solutions will the equation
9a4 + 36a2 = 18a3 possess?
Choose:
 1 2 3 4

b) Find the solutions.

Choose:     3.
Solve:  x4 - 85x2 + 324 = 0

Choose:
 x = ± 2; x = ±3 x = ± 4; x = ±9 x = ± 2; x = ±9 x = ± 4; x = ±81 4.
Find all of the zeros of the polynomial function P(x):
P(x) = x5 - 6x3 + 5x

Choose:     5.
Solve:   m3 + 2m2 - 16m - 32 = 0

Choose:
 2; ±4 -2; ±4 -2; ±6 2; ±6 6.
Solve:  x4 + 3x3 - 27x = 81

Choose:
 ±3;   ±9    7.
Solve: a4 - 16 + (a2 - 4)2 = 0

Choose:
 0, ±4 0, 2, ±4 0, ±2  8.
Given: (a + b)(a2 + 2ab + b2) = 125
What is the value of (a + b)?

Choose:
 2 3 5 25 9.
Solve:  2x3 + 5x2 - 6x - 15 = 0

Choose:     10.
Solve:    a3 + 3a2 - 4a = 12

Choose:
 a = ±3; a = 4 a = ±2; a = 3 a = ±3; a = -4 a = ±2; a = -3  