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Class 10 Mathematics: Polynomials
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MCQs on polynomial zeros geometrical meaning, polynomial zeros, coefficients and division.

Class 10 Mathematics: Polynomials
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25 Questions

1. If α is a zero of the polynomial f(x), then the divisor of f(x) will be _________
2. If α and β are the zeros of x2+20x-80, then the value of α+β is _______
3. What will be the polynomial if its zeros are 3, -3, 9 and -9?
4. The zeros of the polynomial 18x2-27x+7 are ___________
5. If β and γ are the zeros of the polynomial ax3 + bx2 + cx + d, then the value of α2 + β2 + γ2 is _________
6. The value of a and b, if the zeros of x2+(a+5)x-(b-4) are -5 and 9 will be _________
7. If α and β are the zeros of x2+35x-75, then _______
8. The value of αβ + βγ + γα, if α, β and γ are the zeros of 2x3 – 4x2 + 9x – 7 is _______
9. Which of the following is a polynomial?
10. What will be the polynomial if the value of α + β + γ = -√3 , αβ + βγ + γα = 4 and = \(\frac {-5}{3}\)?
11. If α and β are the zeros of x2 + bx + c, then the polynomial having -α, -β as zeros is _______
12. A real number is called zeros of the polynomial p(x) if _________
13. If the zeros of a polynomial are 3 and -5, then they cut the x-axis at ____ and _____ points.
14. If the graph of a polynomial cuts the x-axis at 3 points, then the polynomial is ______
15. The graph of the polynomial 4x2-8x+3 cuts the x-axis at ________ and ________ points.
16. The graph of a quadratic polynomial cuts the x-axis at only one point. Hence, the zeros of the quadratic polynomial are equal and real.
17. 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?
18. If the polynomial f(x)=x2+kx-15, is exactly divisible by x-5, then the value of k is _______
19. The biquadratic polynomial from the following is ______
20. What will be the nature of the zeros of a quadratic polynomial if it cuts the x-axis at two different points?
21. The graph of the polynomial 2x2-8x+5 cuts the y-axis at __________
22. What real number that should be added to the polynomial f(x)=81x2-31, so that it is exactly divisible by 9x+1?
23. 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 ____________
24. What will be the value of (α – β)2, if α and β are the zeros of 4x2 – 27x – 40?
25. The sum and product of zeros of a quadratic polynomial are 10 and \(\frac {5}{2}\) respectively. What will be the quadratic polynomial?