Wednesday, February 20, 2013

TANCET 2012 Quant - Qn 43

This question tests your ability to express one variable in terms of the other. Level of difficutly easy.

If x = 2k – 2 and y = 4k^2, then what is y in terms of x?
1. x + 2
2. ((x + 2)^2)/2
3. (x + 2)^2
4.  x^2 + 4
5. (x + 4)^2

2 comments:

Thulasi said...

k=((x+2)/2)
y=4((x+2)/2)^2
=(x+2)^2

Thulasi said...

y=(x+2)^2