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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
If the polynomial f(x)=x2+kx-15, is exactly divisible by x-5, then the value of k is _______ |
A. | 3 |
B. | 2 |
C. | -3 |
D. | -2 |
Answer» E. | |
2. |
What real number that should be added to the polynomial f(x)=81x2-31, so that it is exactly divisible by 9x+1? |
A. | 40 |
B. | 10 |
C. | 30 |
D. | 20 |
Answer» D. 20 | |
3. |
The real number that should be subtracted from the polynomial f(x)=15x5+70x4+35x3-135x2-40x-11 so that it is exactly divisible by 5x4+10x3-15x2-5x is ____________ |
A. | -12 |
B. | -11 |
C. | 11 |
D. | 12 |
Answer» C. 11 | |
4. |
When a polynomial f(x)=acx3+bcx+d, is divided by g(x), it leaves quotient as cx, and remainder as d. The value of g(x)will be _____ |
A. | -ax2+b |
B. | ax2-b |
C. | ax2+b |
D. | x2+b |
Answer» D. x2+b | |
5. |
The polynomial (x), if the divisor is 5x2, quotient is 2x+3, and remainder is 10x+20 is __________ |
A. | 10x3-15x2-10x-20 |
B. | -10x3-15x2+10x+20 |
C. | 10x3+15x2+10x+20 |
D. | -10x3+15x2+10x+20 |
Answer» C. 10x3+15x2+10x+20 | |
6. |
The quotient if the polynomial f(x)=50x2-90x-25 leaves a remainder of -5, when divided by 5x-10, will be __________ |
A. | 10x+2 |
B. | 10x-2 |
C. | -10x+2 |
D. | -10x-2 |
Answer» B. 10x-2 | |
7. |
What will be the value of a and b if the polynomial f(x)=30x4-50x3+109x2-23x+25, when divided by 3x2-5x+10, gives 10x2+3 as quotient and ax+b as remainder? |
A. | a=8, b=5 |
B. | a=-8, b=5 |
C. | a=8, b=-5 |
D. | a=-8, b=-5 |
Answer» E. | |
8. |
If two of the zeros of the polynomial f(x)=x3+(6-√3)x2+(-1-√3)x+30-6√3 are 3 and -2 then, the other zero will be ____________ |
A. | -√3 |
B. | 5 |
C. | 5-√3 |
D. | 5+√3 |
Answer» D. 5+√3 | |
9. |
If α is a zero of the polynomial f(x), then the divisor of f(x) will be _________ |
A. | x<α |
B. | x-α |
C. | x>α |
D. | x+α |
Answer» C. x>α | |
10. |
If f(x) is divided by g(x), it gives quotient as q(x) and remainder as r(x). Then, f(x)=q(x)×g(x)+r(x) where, f(x) is the dividend, q(x) is the quotient, g(x) is the divisor and r(x) is the remainder. |
A. | True |
B. | False |
Answer» B. False | |