b. 4x3 + 8r-2 + 10x - 7 d. x2 - y 2. The leading coefficient of the polynomials 5x10 + 4x12 + 426 • x is? 4 b. 5 C. 10 d. 12 3. What is the other factor when x2 – 25 is divided by * -5? a. X-5 b. * - 25 CX+25 d. x+5 4. What is the degree of the polynomial equation? a. 4 b.3 ca d. 1 5. What are the real roots of the equation (x + 2)2 (x - 5) = 0? a. -1, 1,5 b. 1, 1,5 c. 1, 2,5 d-1,-1,5 6. Which of the following does not belong to the group? a. x(x + 2)(x + 3) = 0 c. -x + 1 = 0 b. + 3x2 = -5x d. (x - 1)(x + 2) = 0 For questions 7-9;(x + 3)(x - 1)2 = 0 d. 1 7. What is the degree of the polynomial equation? b.3 c. 2 8 What is/are the real roots of the equation? 5.1, -2,3,-3