Activity 1: A. Choose the letter that corresponds to your answer.
1. Identify the product of the roots of the quadratic equation x2 - 4x + 9 = 0. a. 4 c. -4 b. 9 d. -9
2. Which quadratic equation has the roots -3 and 3? a. x2 + 9 = 0 c. x2 + 6 = 0 b. x2 – 9 = 0 d. x2– 6 = 0
3. Identify the sum of the roots x2 - 4x + 9 = 0. a. 4 c. -4 b. 9 d. -9
4. Determine the quadratic equation, if the sum of the roots of the equation is 4 and one of the roots is 2. a. x2 – 4x – 4 = 0 c. x2 + 4x + 4 = 0 b. x2 – 4x + 4 = 0 d. x2 + 4x – 4 = 0
5. If one of the roots of the quadratic equation x2 – 7x + k = 0 is 5, what is the other root? a. 2 c. 10 b. -2 d. -10​