Linear Inequalities in One Variable
This lesson covers linear inequalities in one variable. It includes identifying, solving, and representing solutions of linear inequalities on a number line. Word problems involving linear inequalities are also addressed.
- 00:00 “Hello, my name is Oyase Sunday, I will be taking you to JSS2 mathematics today, and we are looking at an interesting topic that says an introduction to the linear inequalities. Now we are having an introduction to the li...”
- 04:47 “7, so 9 minus 5, that gives me what, 4, less than 7, so is this statement true, therefore it's less than 7, is it true, is it true, so you have to say if it is true, yes, if it is false, no, so 4 is 4 actually less than...”
- 26:28 “like this, take note that the sign can change if it is division, okay, thank you very much for watching, my name is Oyase Sunday, till next time.”
Introduction to Operations Research
This lesson defines operations research and explains its application in management, industry, and business. It covers the steps involved in solving problems using mathematical models and discusses different types of models used in operations research.
- 07:54 “And we can easily draw these inequalities. We can draw it in the form of a-- let's say we have something of this form. And we have this. This, the first one, the first straight line, let's represent it to be 2x plus 3y l...”
- 30:21 “this evolution show graphically the region how which satisfies the set of inequalities, so the evolution so far now is we are to show graphically the region how which satisfy the set of inequalities, we have the two x pl...”
- 07:07 “And that's for vitamin A for food y is 3. And that of B is 4. We have 2x plus 3y. And we said 19 units of vitamin A. We need that less than or equal to 19. Then for x plus 4y, we add that it's going to be less than equal...”