Ask Experts Questions for FREE Help !
Ask
    da209sk8r's Avatar
    da209sk8r Posts: 4, Reputation: 1
    New Member
    		  
    #1

    Feb 9, 2009, 11:13 PM
    Math. Rule for inequalities
    What is the rule on inequalities when u switch the sign. Ex. -4a<-b. when u sovle for a you get a>1/4b
    rwinterton's Avatar
    rwinterton Posts: 289, Reputation: 15
    Full Member
    		  
    #2

    Feb 10, 2009, 06:04 AM

    If you multiply or divide both sides by -1 (or any negative number), the sense changes.

    If A > B then -A < -B (think about it)
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search


Check out some similar questions!

To take math or not to take math? Warning:long [ 7 Answers ]

Hey I need some advice. I'm currently a high school junior, and I am HOPELESS at mathematics. I've always managed to scrape by with 65s, and trust me its not lack of effort, I try really hard. All my other grades are over 90s, with the exception of sciences which are in the high 80s. Last year I...

I need math skills on this math problems [ 6 Answers ]

81 divided by 3726.83 divided by 3158

Inequalities and math [ 1 Answers ]

:confused: can somebody help me on inequalities? Please

Inequalities [ 7 Answers ]

I need help for this question Matt & matilda want to buy a set of dvd's from their TV show. Matt has $47 less than the purchase price, and matilda has $2 less then the purchase price. If they combine their money together, they still don't have enough to buy the dvd. What's the cost of this dvd...

Help with inequalities [ 10 Answers ]

A pilot plans to make a flight lasting 2 hours and 30 minutes. How far can he fly from the airport at the rate of 600 mph and return over the same route at the rate of 400 mph? Does anyone have any ideas?

View more questions Search