CHAPTER-4 QUADRATIC EQUATIONS (SET-2)

Questions in this test

1. If the equation $x^2-bx+1=0$ does not possess real roots then:
2. If x=1 is a common root of the equations $ax^2+ax+3=0$ and $x^2+x+b=0$,then ab=
3. If p and q are the roots of equation $x^2-px+q=0$, then
4. If a and b can take values 1, 2, 3, 4 then the number of equations of the form $ax^2+bx+1=0$ having real root is
5. The number of quadratic equations having real roots and which do not change by squaring their roots is
6. If $(a^2+b^2)x^2+2(ab+bd)x+c^2+d^2= 0$ has no real roots, then
7. If the sum of roots of equation $x^2-x=\gamma (2x-1)$ is zero, then $\gamma =?$
8. If x = 1 is a common root of $ax^2+ax+2=0$ and $x^2+x+b=0$ then, ab=
9. The value of c for which the equation $ax^2+2bx+c=0$ has equal roots is
10. If $x^2+x(4x+k-1)+2=0$ has equal roots, then k=