Question 48455
1)What are the factors of x^3 + 6x^2 - x - 30?
c. (x - 2)(x + 3)(x + 5)
2)What are all the possible rational zeros for f(x) = x^3 + 8x + 6?
c. +1, +2, +3, +6
3)What are all the possible rational zeros for f(x) = 6x^3 + 6x^2 - 15x - 2?
a. +1, +2, +1/2, +1/3, +2/3, +1/6

4)Identify all rational zeros for f(x) = x^3 + 4x^2 - 3x - 18.
c. 2, -3, -3
5)Identify all the rational zeros for f(x) = x^3 - x^2 - 8x + 12.
a. 2, 2, -3

6)Identify all the rational zeros for f(x) = x^3 + 4x^2 - 2x + 15.
c. -5
7)How many positive real zeros does the funtion f(x) = x^4 + x^3 - 7x - 1 have?
b. 1
 
8)How many negative real zeros does the function f(x) = x^5 + x^4 - x^2 - x + 1 have?
d. 3 or 1

Cheers,
Stan H.