A B C D 0000 1. How many real solutions does the quadratic equation x2 +5x + 7 = 0 have? a. O b. 1 c. 2 d. 3 0000 2. Which of the following are the roots of x2 - 64 = 0? a. X = +8 b. x = 16; x = 4 C. X = + 8 d. x = -8 - 0000 3. Find the solutions of quadratic equation 2m2 - 50 = 0 a. m = -5 b. m = + 5 c. m = + 5 d. no solutions 0000 4. Extract the square root of the quadratic equation (x-5)2 – 25 = 0 a. x = +5 b. x = 10; x = 0 C. X = + 10 d. x = + 20 0000 5. Which of the following are the roots of this quadratic equation x2 = 64/81 a. x = + 4/3 b. X= + 8/9 C. X = + 12/18 d. x = + 16/29