Suresh Lecturer

Class 10 Maths Quiz

Chapter 2 : Polynomials

2781

1. If $\alpha, \beta$ are the zeros of the polynomial $2 x^{2}+5 x-10$, then the value of $\alpha \beta$ is:

$\frac{-5}{2}$

-5

$\frac{2}{5}$

2767

2. The zeros of $6 x^{2}-7 x-3$ are:

$\frac{-1}{3}, \frac{3}{2}$

$\frac{-7}{3}, \frac{-3}{6}$

$\frac{7}{6}, \frac{-3}{6}$

None of these

2770

3. The product of zeros of quadratic equation $x^{2}+7 x+10$ is:

-7

-10

2769

4. The zeros of $x^{2}+7 x+10$ are:

$-5,-2$

2,5

$-2,5$

$-5,2$

2778

5. The zeros of $x^{2}-5$ are :

$\sqrt{5},-\sqrt{5}$

$\sqrt{5}, \sqrt{5}$

$5,-5$

None of these

2780

6. A polynomial with two degree is called:

linear polynomial

quadratic polynomial

cubic polynomial

zeros polynomial

2775

7. Which one is polynomial?

$\sqrt{x}+1$

$\frac{1}{\dot{x}^{3}+1}$

$\frac{1}{x^{2}+1}$

$x^{3}+1$

2773

8. Which one is polynomial?

$\frac{1}{x+1}$

$\sqrt{x}+2$

$\frac{1}{x^{2}+2 x+7}$

$x^{3}+1$

2768

9. The zeros of $3 x^{2}+1+4 x$ are:

$1, \frac{1}{3}$

$-1, \frac{-1}{3}$

$-1, \frac{1}{3}$

$-1, \frac{-1}{3}$

2785

10. The zeros of $\sqrt{3} x^{2}+10 x+7 \sqrt{3}$ are:

$-\sqrt{3}, \frac{-7}{\sqrt{3}}$

$-\sqrt{3}, \frac{7}{\sqrt{3}}$

$\sqrt{3}, \frac{7}{\sqrt{3}}$

$\frac{7}{\sqrt{3}}, \sqrt{9}$

2766

11. The zeros of $4 x^{2}+1-4 x$ are:

$\frac{1}{2}, \frac{1}{2}$

$\frac{-1}{2}, \frac{-1}{2}$

$1, \frac{1}{4}$

$\frac{-1}{4}, 1$

2776

12. Which one is polynomial?

$1+\sqrt{x}$

$x^{2}+1$

$\frac{1}{x^{3}+x^{2}+1}$

$\frac{1}{x^{3}}$

2777

13. The sum of zeros of quadratic equation $2 x^{2}-8 x+6$ is:

-4

-3

2772

14. The product of zeros of quadratic equation $x^{2}-2 x-8$ is:

-2

-8

2771

15. The sum of zeros of quadratic equation $x^{2}-2 x-8$ is:

-2

-8