Suresh Lecturer

Class 10 Maths Quiz

Chapter 2 : Polynomials

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1. Which one is polynomial?

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

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

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

$x+\sqrt{2}$

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2. 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

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3. Which one is polynomial?

$1+\sqrt{x}$

$x^{2}+1$

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

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

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4. Which one is polynomial?

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

$\sqrt{x}+2$

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

$x^{3}+1$

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5. 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

$\frac{2}{5}$

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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

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

Both positive

Both negative

one negative, one positive

Equal

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8. Which one is polynomial?

$\sqrt{x}+1$

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

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

$x^{3}+1$

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

-7

-10

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10. A polynomial with two degree is called:

linear polynomial

quadratic polynomial

cubic polynomial

zeros polynomial

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

-2

-8

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

More than 3

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13. 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

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

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

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

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

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

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

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

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

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

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