EduGoog

(1) Basic Operations: Basic Operations, Polynomials, Factorization, Remainder Theorem & Factorization Theorem ; H.C.F. & L.C.M. of polynomials ; Rational Expressions, Surds & indices.
(2) Linear Equations : Simultaneous linear equation in two variables, analytical and graphical solutions. Simultaneous linear in equations. Practical problems on linear equations.
(3) Quadratic Equation : Solution of quadratic equations, Relation between roots and coefficients (only real roots to be considered). Practical problem on quadratic equations.
(4) Set Theory : Set language and set notation. Union, Intersection & Complementations of sets and their properties.

Find the values of k ε R subject to the following condition :
The ratio of the rots of $x^2 + 3kx + 20 = 0$ is 4 : 5.

Option :
A. ± 3
B. - 3
C. + 3
D. - 1

If $x^2 - 6x + α = 0 has two roots α, β and 3α + 2β = 20, then find a.

Option :
A. - 16
B. 8
C. 4
D. - 2

If the roots of the equations $x^2 + 3kx + 2 = 0$ are in the ratio of 1 : 2, then find the value of k.

Option :
A. 1
B. ± 1
C. 0
D. - 2

If the difference of the roots of the equation $x^2 - 2kx + 3k = 0$ is 4, then find the value of k.

Option :
A. - 1, 2
B. 4, - 1
C. 1, 3
D. - 4, 0

The quadratic equation whose roots are twice the roots of $2x^2 - 5x + 2 = 0$ is :

Option :
A. $8x^2 - 10x + 2 = 0$
B. $x^2 - 5x + 4 = 0$
C. $2x^2 - 5x + 2 = 0$
D. None