PreCal 5.4.23

List the ACTUAL rational zeros of

f(x) = x³ + 7x² - 2x -14 ?

• 7, 2

• 7

• - 7

How many roots or zeros does the equation
f(x) = 5x⁴-8x³+4x²-6x+3 have?

• 3
• 4
• 5
• 0

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

• 3, √5 
• 3, √5, -√5
• -3, √5, -√5
• -3, 5i, -5i

Find all zeros of the polynomial function P(x) = x³+6x²+9x+54

• 6, 3, -3
• -6, 3, -3
• -6, 3i, -3i
• 6, 3i, -3i

Find a polynomial function of degree 3 with zeros 3i and -2.

• P(x) = x³+2x²+9x+11
• P(x) = x³-2x²+9x+18
• P(x) = x³+2x²+9x+18
• P(x) = x²-3ix+2x-6i

Given one complex zero use the conjugate root theorem to find another.  Zero is 7-5i

• -7+5i
• 7-5i
• -7-5i
• 7+5i

Find the zeros of the polynomial.

• A
• B
• C
• D

Find all zeros. One zero has been given.

f(x) = x⁴ + 8x³ + 14x² - 8x - 15

• -2,1,-1,-5

• -3,1,-1,-5

• 3,-3,4,0

• -1,1-5,3

Is (x-7) a factor of (x²-5x+14)?

• Yes
• No

Factor f(x)= x³ - 2x²-13x - 10  given that (x - 5) is one factor.

• (x- 5)(x - 1)(x - 2)
• (x - 5)(x + 2)(x - 2)
• (x - 5)(x + 2) (x + 1)
• (x - 5)(2x - 13)