SOLUTION: if you multiply by a negative number on an inequality, does your inequality sign flip.
Algebra.Com
Question 712832: if you multiply by a negative number on an inequality, does your inequality sign flip.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
if you multiply by a negative number on an inequality, does your inequality sign flip.
-------------
Yes, it does.
eg,
-x < 1 --> x > -1
=============
It works like this:
-x < 1
Add x
0 < x + 1
Subtract 1
-1 < x
--> x > -1
RELATED QUESTIONS
Why do you flip the sign of an inequality when multiply or dividing by a negative... (answered by Alan3354)
Why does the inequality sign change or flip after dividing by a negative... (answered by Fombitz,josgarithmetic)
Why do you flip the inequality sign when dividing by a negative... (answered by rfer)
Why does an inequality reverse when you multiply or divide an inequality by a negative... (answered by rapaljer)
The original question was:
"Why does the inequality sign change when both sides are... (answered by kmcruz09)
Why do we flip the inequality sign when we divide by a negative number?
(answered by rapaljer)
1. What happens to the inequality sign when you multiply or divide both sides by a... (answered by palanisamy)
Is about inequalities, I know the rule of flipping the sign if you multiply or divide by... (answered by math_helper)
What do you need to remember to do when you multiply or divide an inequality by a... (answered by drk,richwmiller)