Solving Polynomial Equations for Zeros

Find all zeros for the polynomial
P(x) = x³ -3x²-5x+15

• 3, √5 

• 3, √5, -√5

• -3, √5, -√5

• -3, 5i, -5i

What are the zeros for this function?

• 
• 
• 
• 

FInd all zeros for the polynomial
f(x) = x⁴+8x²-9

• -1, ⅓, ±3i

• ½, -1, ±3i

• 1, -1, ±i√11

• 1, -1, ±3i

Solve, choose all that apply.

x³ + 2x² + 5x + 10 = 0

• -2

• 2

• -i√5

• i√5

• 0

The polynomial given by: y = 3x² + 9x⁵ − 4 + 10x⁸ + 2x⁹ will have exactly how many zeroes?

• 5

• 2

• 9

• 8

Solve the equation by factoring:
x² + x - 20 = 0

• x = -5 and 4

• x = 4 and 5

• x = 5 and -4

• x = -4 and -5

Using synthetic division, find the remaining factors of

(x³ +x² -17x +15) if (x -1) is a factor?

*FACTOR COMPLETELY*

• (x + 5)(x - 3)

• (x + 5)(x + 3)

• (x - 5)(x + 3)

• (x - 5)(x - 3)

Find the root(s) of the function.

• x = 3

• x = (-1,2,4)

• x = (2, -2, -4)

• x = -1

What are the x-intercepts of

y= x² - 9x + 14 ?

• (-7,0) and (-2,0)

• (7,0) and (-2,0)

• (7,0) and (2,0)

• (9,0) and (-14,0)

How many solutions does the parabola have?

• none

• one

• two