CHAPTER-4 QUADRATIC EQUATIONS (SET-3)

Questions in this test

1. If the sum and product of the roots of the equation $kx^2+6x+4k=0$ are equal, then k=
2. If line Sin and Cos are the roots of equation $ax^2+bx+c=0,$ then $b^2=$
3. If 2 is the root of the equation $x^2+ax+12=0,$ then the quadratic equation $x^2+ax+q=0$ has equal roots then q =
4. If the sum of roots of equation $x^2-(x+6)x+2(2x-1)=0$ is equal to half of
5. If a and b are roots of equation $x^2+ax+b=0$ then a + b =
6. A quadratic equation whose one root is 2 and the sum of whose roots is zero, is
7. If one root of the equation $ax^2+bx+c=0$ is 3 times the other, then $b^2:ac=$
8. If the root of the equation $2x^2+kx+4=0$ is 2, then other root is
9. If one root of the equation $x^2+ax+3=0$ is 1, then its other root is
10. If one root of an equation $4x^2-2x+(\gamma -4)=0$ be the reciprocal of other, then $\gamma =$