MCQ
A quadratic polynomial whose zeroes are $\frac{2}{5}$ and $\frac{-1}{5}$is
- A$25 x^2+5 x-2$
- B$5 x^2-2 x+1$
- C$5 x^2+2 x-1$
- ✓$25 x^2-5 x-2$
✓
Answer
Correct option: D.
$25 x^2-5 x-2$
(D) $25 x^2-5 x-2$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In the given figure, a circle with centre O is inscribed in a quadrilateral ABCD such that, it touches sides BC, AB, AD and CD at points P, Q, R and S respectively. If AB
= 29cm, AD = 23cm, $\angle\text{B}=90^\circ$ and DS = 5cm, then the radius of the circle (in cm) is:
→= 29cm, AD = 23cm, $\angle\text{B}=90^\circ$ and DS = 5cm, then the radius of the circle (in cm) is:
Choose the correct answer from the given four options:
A plumbline (sahul) is the combination of see Fig.
A plumbline (sahul) is the combination of see Fig.
In the given figure, a circle touches the side $DF$ of $\triangle\text{EDF}$ at $H$ and touches $ED$ and $EF$ produced at $K$ and $M$ respectively. If $EK = 9\ cm$ then the perimeter of $\triangle\text{EDF}$ is :
→If $\sec\theta+\tan\theta=\text{x}\sec\theta+\tan\theta=\text{x},$ then $\tan\theta=\tan\theta=$
→If one root of the polynomial $f(x) = 5x^2 + 13x + k$ is reciprocal of the other, then the value of $k$ is:
→A solid consists of a circular cylinder with an exact fitting right circular cone placed at the top. The height of the cone is h. If the total volume of the solid is 3 times the volume of the cone, then the height of the circular is:
In trapezium $\text{ABCD},$ if $\text{AB}\parallel\text{DC},\text{AB}\parallel\text{DC}, AB = 9\ cm, DC = 6\ cm$ and $BD = 12\ cm,$ then $BO$ is equal to :
→Perimeter of a sector of a circle whose central angle is $90^{\circ}$ and radius 7 cm is :
→If a circle drawn with origin as the centre passes through $\Big(\frac{13}{2}, 0\Big),$ then the point which does not lie in the interior of the circle is :
→In the given figure, point $P$ is $26\ cm$ away from the centre $O$ of a circle and the length $PT$ of the tangent drawn from $P$ to the circle is $24\ cm.$ Then the radius ofthe circle is:
→