search
Log In
Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true

Recent questions tagged quadratic-equations

1 vote
1 answer
1
If $x= \frac{\sqrt{p^{2}+q^{2}}+\sqrt{p^{2}-q^{2}}}{{\sqrt{p^{2}+q^{2}}-\sqrt{p^{2}-q^{2}}}}$ then $q^{2}x^{2}-2p^{2}x+q^{2}$ equals to : $3$ $-1$ $-2$ $0$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 33 587 822 82 views
0 votes
0 answers
2
The expression $(11.98\times 11.98 + 11.98 \times x +0.02 \times 0.02)$ will be a perfect square for $x$ equal to: $2.02$ $0.17$ $0.04$ $1.4$
asked Apr 2, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 33 587 822 62 views
0 votes
0 answers
3
sum of roots of the equation $\dfrac{3x^{3}-x^{2}+x-1}{3x^{3}-x^{2}-x+1}=\dfrac{4x^{3}-7x^{2}+x+1}{4x^{3}+7x^{2}-x-1}$ is : $0$ $1$ $-1$ $2$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 33 587 822 83 views
0 votes
0 answers
4
If ${m_1}$ and ${m_2}$ are the roots of equation $x^{2}+(\sqrt{3}+2)x+\sqrt{3}-1=0$ then area of the triangle formed by the lines $y={m_1}x, \: \: y={m_2}x, \: \: y=c$ is: $\bigg(\dfrac{\sqrt{33}+\sqrt{11}}{4}\bigg) c^{2} $ $\bigg( \dfrac{\sqrt{32}+\sqrt{11}}{16}\bigg ) c $ $\bigg (\dfrac{\sqrt{33}+\sqrt{10}}{4} \bigg ) c^{2}$ $\bigg( \dfrac{\sqrt{33}+\sqrt{21}}{4} \bigg) c^{3}$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 33 587 822 68 views
0 votes
0 answers
5
Vidya and Vandana solved a quadratic equation. In solving it, Vidya made a mistake in the constant term and got the roots as $6$ and $2$, while Vandana made a mistake in the coefficient of $x$ only and obtained the root as $-7$ and $-1$. The correct roots of the equation are: $6,-1$ $-7,2$ $-6,-2$ $7,1$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 33 587 822 595 views
0 votes
1 answer
6
Given the quadratic equation $x^2 – (A – 3)x – (A – 2)$, for what value of $A$ will the sum of the squares of the roots be zero? $-2$ $3$ $6$ $\text{None of these}$
asked Mar 11, 2020 in Others jothee 11.6k points 221 1489 2361 131 views
0 votes
0 answers
7
If both $a$ and $b$ belong to the set $\{1,2,3,4\}$, then the number of equations of the form $ax^2+bx+1=0$ having real roots is _____
asked Mar 11, 2020 in Quantitative Aptitude jothee 11.6k points 221 1489 2361 66 views
4 votes
3 answers
8
If one root of $x^{2} + px + 12 = 0$ is $4$, while the equation $x^{2} + px + q = 0$ has equal roots, then the value of $q$ is: $49/4$ $4/49$ $4$ $\frac{1}{4}$
asked Oct 28, 2017 in Quantitative Aptitude makhdoom ghaya 7.8k points 152 761 1071 359 views
1 vote
1 answer
9
One root of $x^{2} + kx – 8 = 0$ is square of the other. Then, the value of k is: $2$ $8$ $-8$ $-2$
asked Aug 30, 2017 in Quantitative Aptitude makhdoom ghaya 7.8k points 152 761 1071 176 views
–1 vote
1 answer
10
Given the quadratic equation $x^{2}-(A-3) x- (A-2) = 0$, for what value of $A$ will the sum of the squares of the roots be zero? $-2$ $3$ $6$ None of these
asked Jul 16, 2017 in Quantitative Aptitude makhdoom ghaya 7.8k points 152 761 1071 170 views
To see more, click for the full list of questions or popular tags.
...