Published On Feb 10, 2016
How to Solve Rational Inequalities. We use factoring and sign analysis in these examples in this free math video tutorial by Mario's Math Tutoring.
0:06 Introductory Example Solving a Quadratic Inequality
0:43 Sign Analysis Using Intervals and Test Values
1:30 Writing the Solution in Interval Notation
1:56 Rational Inequality Example 1
2:00 First Step is to Factor & Set Factors = 0
2:15 Plot Solutions on the Number Line from Low to High
2:33 Plotting Points as Closed or Open
3:11 Test Intervals with Test Values Using Sign Analysis
4:00 Writing Solution in Interval Notation
4:34 Example 2 of Rational Inequalities
4:36 Get All the Terms on One Side of the Inequality and Set to Zero
4:53 Combine Terms Into 1 Fraction by Getting a Common Denominator
5:37 Set Factors in the Numerator and Denominator = 0 and Plot on Number Line
5:53 Deciding whether the Intercepts are Open or Closed
6:15 Testing Intervals and Using Sign Analysis
6:45 Writing the Solution in Interval Notation
Related Videos:
Solving Quadratic Inequalities Using Sign Analysis
• Solving Quadratic Inequalities Using ...
Graphing Rational Equations Playlist:
• Graphing Rational Functions
Looking to raise your math score on the ACT and new SAT?
Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at
http://mariosmathtutoring.teachable.com
For online 1-to-1 tutoring or more information about me see my website at:
http://www.mariosmathtutoring.com
Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below)
http://www.mariosmathtutoring.com/fre...