PART I. Directions: Read each item carefully. Choose the letter of the correct answer. Write your answer on space provided before of each number
1. Which of the following is the discriminant of a quadratic equations? A. y = mx + b B. b2-4ac C. 2a Dr
2. What does it mean if the discriminant of a quadratic equation is equal to zero? A the roots are real and equal C. the roots are not real B. The roots are real and unequal D. all of the above
3. What is the discriminant of the quadratic equation 3x2 + 5x - 7 = 0? A. -59 B. -109 C. 59 D. 109
4. How will you characterize the roots of the quadratic equation r? - 4x + 5 = 0? A Rational Solution B. Real Solution C. Irrational Solution D. No Real Solution
5. How many real roots does the quadratic equation x2 + 5x + 7 = 0 have? AO B2 C. 1 D. 3 6. What is the formula to find the sum of the roots of the quadratic equation? Abla B. -b/a C. c/a D. c/a
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