TheChosenOne
27th November 2006, 11:38 PM
Hello All,
A Common error with inequalities is as Follows:
:) y - 2y - 9 > 0
:) -y > 9
:eek: y>-9
THIS IS WRONG!!
RULE: WHEN MULTIPLYING OR DIVIDING BY A NEGATIVE NUMBER, YOU MUST SWITCH THE SIGN AROUND.
Correct Version:
y - 2y - 9 > 0
-y > 9
:D y < -9
Thank You
A Common error with inequalities is as Follows:
:) y - 2y - 9 > 0
:) -y > 9
:eek: y>-9
THIS IS WRONG!!
RULE: WHEN MULTIPLYING OR DIVIDING BY A NEGATIVE NUMBER, YOU MUST SWITCH THE SIGN AROUND.
Correct Version:
y - 2y - 9 > 0
-y > 9
:D y < -9
Thank You