Question

Directions: Encircle the letter of the correct answer. 1. What is the value of the discriminant whose roots are real, rational, and equal? A. imaginary B. negative C. positive D. zero 2. Which of the following quadratic equations has no real roots? A. 2x2 + 4x – 3 = 0 B. 3x2 – 2x + 5 = 0 C. x2 – 8x – 4 = 0 D. –2x2 + x + 7 = 0 3. If the sum of the roots of the equation x2 – 5x + 3 = 0 is added to the product of its roots, then the result is A. –3 B. –2 C. 5 D. 8 4. Find the equation whose roots are 1 3 and – 7 2 . A. 3x2 + 8x + 7 = 0 B. x2 + 3x + 6 = 0 C. 6x2 + 19x – 7 = 0 D. 7x2 - 18x + 6 = 0 5. Find the roots of 1 3x + 4x 6 = 1. A. 1 2 and 1 B. − 1 2 and –1 C. 3 and –6 D. 1 3 and 6

Answer 1

Answer:

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