Definition:
Inequalities- A mathematical sentence that compares the values of two expressions using an inequality symbol.
Inequalities- A mathematical sentence that compares the values of two expressions using an inequality symbol.
http://www.mathx.net/inequalities/
Writing Inequalities
- Use key words to create your sentence.
Ex. "Seven more than a number is greater than 13."
7+x>13
Solution to Inequality
- Use substitution to evaluate the inequality to see if it is true.
Ex. Is 5 a solution to the inequalities below? (5=x)
a.) 2x-1<7 b.) 10/x+3>-2
2(5)-1<7 10/5+3>-2
10-1<7 2+3>2
9<7 5>2
No Yes
Mrs.Whitaker's notes examples.
Graphing Inequalities
http://www.slideshare.net/
http://www.slideshare.net/