beenay

. Which must be added to x2-2x/3 in order to be a perfect square is
A.(4/2)^2 B. (2/3)^2 C. 32 D. (3/4)^2 E.(1/3)^2

1. A quadratic equation with roots -3 and 5 is
   A.x2-15=0 B. x2-8x-15=0 C.x2+8x-15=0 D. x2+2x-15=0 E. x2-2x-15=0
2. A quadratic equation with solution set {1/3,1/4} is
3. If 1/2x+y=2x, then x:y=……….
   A. 1:2 B. 2:3 C.3:4 D. 3:5 E. 4:5
4. The ratio 27:36 , expressed as a percentage, is
   A. 25% B. 45% C. 60% D. 75% E. 80%
   5.The ratio 2:x , expressed as a percentage , is 40%, then x=………..