The sum and the product of the roots of the quadratic equation x(power 2) + 20x + 3 = 0 are?

Related Mcqs:

1. If the roots of a quadratic equation are 20 and -7, then find the equation?

   A. x2 + 13x – 140 = 0 B. x2 – 13x + 140 = 0 C. x2 – 13x – 140 = 0 D. x2 + 13x + 140 = 0...

2. Find the quadratic equations whose roots are the reciprocals of the roots of 2x² + 5x + 3 = 0?

   A. 3x2 + 5x – 2 = 0 B. 3x2 + 5x + 2 = 0 C. 3x2 – 5x + 2 = 0 D. 3x2 – 5x – 2 = 0...

3. A man invests a certain sum of money at 6% per annum simple interest and another sum at 7% per annum simple interest. His income from interest after 2 years was Rs. 354. One-forth of the first sum is equal to one-fifth of the second sum. The total sum invested was :

   A. Rs.3100 B. Rs.2700 C. Rs.2200 D. Rs.1800...

4. Find the roots of the quadratic equation: x2 + 2x – 15 = 0?

   A. -5, 3 B. 3, 5 C. -3, 5 D. -3, -5...

5. Find the roots of the quadratic equation: 2×2 + 3x – 9 = 0?

   A. 3, -3/2 B. 3/2, -3 C. -3/2, -3 D. 3/2, 3...

6. Find the value of a/b + b/a, if a and b are the roots of the quadratic equation x² + 8x + 4 = 0?

   A. 15 B. 14 C. 24 D. 26...

7. Find the roots of quadratic equation: 2x² + 5x + 2 = 0?

   A. -2, -1/2 B. 4, -1 C. 4, 1 D. -2, 5/2...

8. Find the roots of quadratic equation: x² + x – 42 = 0?

   A. -6, 7 B. -8, 7 C. 14, -3 D. -7, 6...

9. Find the roots of quadratic equation: 3x² – 7x – 6 = 0?

   A. -6, 3 B. 3, -2/3 C. -5, 2 D. -9, 2...

10. One root of the quadratic equation x² – 12x + a = 0, is thrice the other. Find the value of a?

    A. 29 B. 27 C. 28 D. 7...