a. a. only on the space provided. 1. Find the solutions of the quadratic equation x2-3x-40=0. 5 and 8 b.-5 and 8 c. 5 and -8 d. -5 and -8 2. Determine the nature of roots of x2 + 6x +9=0. Real and equal c. real and unequal b. Irrational d. no real roots 3. What is the sum and product of roots of 2x2 -3x +6=0? a. 3 and 3/2 c. 3/2 and 3 b. -3/2 and 3 d.-3 and 3/2 2 4. What are the roots of 4? ? x 5 a. 5,-2 5 b.-5,-2 c. 5,2 d. -5,2 X+1 = 5​