Suresh Lecturer

Class 10 Maths Quiz

Chapter 2 : Polynomials

2767

1. 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

2768

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

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

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

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

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

2784

3. The zeros of quadratic polynomial $4 x^{2}+87 x+125$ are:

Both positive

Both negative

one negative, one positive

Equal

2777

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

-4

-3

2779

5. The number of polynomials having zeros as -2 and 4 is/are:

More than 3

2786

6. The zeros of $x^{2}+3 x-(b+2)(b-1)$ are:

$-(b+2),-(b-1)$

$(b+2),-(b-1)$

$-(b+2),(b-1)$

None of these

2774

7. Which one is polynomial?

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

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

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

$x+\sqrt{2}$

2782

8. If $a, \beta, \gamma$ are the zeros of cubic polynomial $a x^{3}+b x^{2}+c x+d$, then the value of $\alpha \beta \gamma$ is:

$\frac{d}{a}$

$\frac{-b}{a}$

$\frac{c}{a}$

$\frac{-d}{a}$

2783

9. If the zeros of the quadratic polynomial $a x^{2}+b x+c, c \neq 0$ are equal then,

$c$ and $b$ have same signs

$c$ and $b$ have opposite signs

$c$ and $a$ have same signs

$c$ and $a$ have opposite signs

2785

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

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

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

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

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

2787

11. Is $(3 x+10)$ is a factor of $9 x^{3}-27 x^{2}-100 x+300$ ?

Yes

cannot be determined

None of these

2773

12. Which one is polynomial?

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

$\sqrt{x}+2$

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

$x^{3}+1$

2775

13. Which one is polynomial?

$\sqrt{x}+1$

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

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

$x^{3}+1$

2765

14. The zeros of $3 x^{2}-4-x$ are:

$1, \frac{-4}{3}$

$-1, \frac{4}{3}$

$-1, \frac{-4}{3}$

$1, \frac{4}{3}$

2776

15. Which one is polynomial?

$1+\sqrt{x}$

$x^{2}+1$

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

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