anonymous
  • anonymous
Add -2 to both sides of the inequality 6 > 2. Then divide both sides of the inequality "-10 > -20 by -2. Explain in your own words what happens in both examples and when the direction of the inequality symbol is reversed
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Let's start with 6>2 True. Add -2 to both sides: 6-2 > 2-2 4 > 0 True. Alright, now let's flip the sign like they asked: 4 < 0 False. Ok, now let's do the second part: -10 > -20 True. Divide by -2 -10/-2 > -20/-2 5 > 10 False. Now flip the sign like they asked: 5 < 10 True. What you are supposed to gain from this is the realization that when you add or subtract, the equality remains unchanged and if you began with a true statement, you end with a true statement (without the need for changing the sign). However, when you divide by a negative or multiply, you MUST flip the inequality sign. Pay attention to where I mark statements true or false before and after I operate on them. Hope this helps.
anonymous
  • anonymous
Does this work for you? Are you understanding?
anonymous
  • anonymous
Yes, thank you so much! I have another one posting...

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anonymous
  • anonymous
Ok, I will see what I can do, go ahead and ask away!

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