book Maths Puzzle Numerical Ability

if (a+2)x^2- 2ax - a = 0

what is range of a ?

Read Solution (Total 0)

book Other Question

I need your help on Proportions and Rational Expressions.
Please show your steps, and explain well.
/ will define a fraction, "divided by" is a division symbol... I hope I wrote a football team has won 4 out of 7 games played. if there are 16 games in a season, how many more games must be won to give the team, a season record of at least 60% games won out of all games played?