Mathematics

Lorelai Cohen

5 July, 12:32

Question 1: Given a polynomial equation P (x) = 0, which two expressions could be a pair of irrational roots of the equation?

Select two answers.

a. - 2-√+3

b. 2-√-3

c. 2-3-√

d. 3-√-2

e. 2+3-√

Question 2: Which expression correctly shows 20x^4-25x^3+60x^2-75x factored completely over the integers?

a. (x^2+3) (4x-5)

b. 5x (x^2+3) (4x-5)

c. 5x (x^2-3) (4x+5)

d. 5x^2 (x+4) (3x-5)