Suresh Lecturer

Class 10 Maths Quiz

Chapter 2 : Polynomials

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

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

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

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

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

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2. 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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3. 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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4. 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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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 product of zeros of quadratic equation $x^{2}-2 x-8$ is:

-2

-8

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8. 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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9. 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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10. 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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11. The zeros of $4 x^{2}+1-4 x$ are:

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

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

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

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

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

-2

-8

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

More than 3

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

$-5,-2$

2,5

$-2,5$

$-5,2$

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

-7

-10