MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If α and β are the zeros of 10x2+20x-80, then the value of \(\frac {1}{\alpha } + \frac {1}{\beta }\) is _______ |
| A. | \(\frac {5}{4}\) |
| B. | \(\frac {1}{5}\) |
| C. | \(\frac {3}{4}\) |
| D. | \(\frac {1}{4}\) |
| Answer» E. | |
| 2. |
What will be the value of k, if one zero of x2+(k-3)x-16=0 is additive inverse of other? |
| A. | 4 |
| B. | -4 |
| C. | -3 |
| D. | 3 |
| Answer» E. | |
| 3. |
The value of a and b, if the zeros of x2+(a+5)x-(b-4) are -5 and 9 will be _________ |
| A. | 47, -5 |
| B. | -5, 47 |
| C. | -9, 49 |
| D. | -4, 45 |
| Answer» D. -4, 45 | |
| 4. |
What will be the value of other zero, if one zero of the quadratic polynomial is 5 and the sum of the zeros is 10? |
| A. | 10 |
| B. | 5 |
| C. | -5 |
| D. | -10 |
| Answer» C. -5 | |
| 5. |
If α and β are the zeros of 3x2-5x-15, then the value of αβ is _______ |
| A. | -5 |
| B. | -10 |
| C. | -15 |
| D. | -20 |
| Answer» B. -10 | |
| 6. |
If α and β are the zeros of x2+20x-80, then the value of α+β is _______ |
| A. | -15 |
| B. | -5 |
| C. | -10 |
| D. | -20 |
| Answer» E. | |
| 7. |
The sum and product of zeros of a quadratic polynomial are 10 and \(\frac {5}{2}\) respectively. What will be the quadratic polynomial? |
| A. | 2x2-20x+10 |
| B. | 2x2-x+5 |
| C. | 2x2-20x+5 |
| D. | x2-20x+5 |
| Answer» D. x2-20x+5 | |
| 8. |
What will be the polynomial if its zeros are 3, -3, 9 and -9? |
| A. | x4-80x2+729 |
| B. | x4-90x2+729 |
| C. | x4-90x2+79 |
| D. | x4-100x2+729 |
| Answer» C. x4-90x2+79 | |
| 9. |
The zeros of the polynomial 18x2-27x+7 are ___________ |
| A. | \(\frac {7}{6}, \frac {1}{3}\) |
| B. | \(\frac {-7}{6}, \frac {1}{3}\) |
| C. | \(\frac {7}{6}, \frac {-1}{3}\) |
| D. | \(\frac {7}{3}, \frac {1}{3}\) |
| Answer» B. \(\frac {-7}{6}, \frac {1}{3}\) | |