2. What is the leading coefficient of polynomial equation
3x2 - 5 + 2x + x = 0?
A 2
B. 3
C. -5
D. 1
3. What is the degree of the polynomial equation
x3 + 3x5 + 4x4 - 2 + 7 x6 = 0?
A. 5
B. 6
C. 3
D. 4
4. What are the roots of the polynomial equation
(x + 1)(x + 2)(x + 3) = 0
A. 1, 1, 2 B. -1,-1,-3 C. 1, 2, 3 D. -1, -2, -3
5. Which polynomial equation has -1,-5 and 4 as its roots?
A. x3 - 2x2 - 19x - 20 C. x3 - 5x2 + x - 5
B. x3 - 6x2 + 19x - 20 D. x3 + 2x2 19x - 20​