Inequality Journal Writing

Directions: Choose one of the following problems below to answer in 3 to 4 sentences and then post your answer in the comment section of this post. ( 5 pts.)

1.     Suppose you are going to purchase some CDs and video games, your parents gave you $120.00 to spent.  How would you model this situation with an equation or an inequality? Explain the reasons for your choice.

2.     How is the process for solving equations and inequalities similar and\or different?

3.     Suppose your friend tells you that for your birthday, you can either go to the movies or see One Direction in concert.  Is this more like a conjunction or a disjunction? Explain your answer.

4.     A member of your study group has come up with a shortcut for solving

an inequality like -6 > 3x +  9 or  2x – 5 > 7.  He says that you don’t have to do separate inequalities. He says that you can combine the inequalities and treat it as an inequality with three sides. Do you agree? Explain why or why not.

5.     Indicate how these statements are similar and\or dissimilar.

a.     A number is at most 16.

b.     A number is no more than 16.

c.      A number is at least 16.

d.     A number is greater than or equal to 16.