Question

if a and b are the two values of t that satisfy the equation t^2-6t+8=0, with a >b, what is the value of a - b?

Answer 1

factorise the eqn t^2-6t+8=0 in the form of (t+a)(t+b)=0 u will get ur answer.

Answer 2

would the answer be 2? @ankitshaw

Answer 3

you can use wolfram

Answer 4

ya its 2

Answer 5

this is better
http://www.wolframalpha.com/input/?i=solve++t^2-6t%2B8%3D0

Answer 6

can you help me on a graph promblem? @ankitshaw

Answer 7

sure i can try..

Answer 8

@ankitshaw