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πππΌπ are INEQUALITIES?
In Algebra, you are probably used to working with equations. An equation is like a mathematical sentence that includes an equals sign. But what about inequalities? How are they different from equations? And how do you solve an inequality?
In this video, we'll learn about the 4 basic kinds of inequalities (less than, greater than, less than or equal to, and greater than or equal to), and what symbols you use to represent them. We'll also talk about how you solve inequalities, including when they use addition, subtraction, multiplication, and division. It's a lot like solving equations!
There's one special case to keep an eye out for: sometimes you have to flip the direction of the inequality symbol. Do you know when you do that?
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0:00 Inequalities vs equations
0:56 How to solve inequalities
0:59 Example 1 ADDITION
3:55 Graphing solution on the real number line
4:45 Example 2 SUBTRACTION
6:11 Example 3 MULTIPLICATION
7:05 Example 4 DIVISION
8:10 When to flip the inequality symbol
πππΎπΌπ½πππΌππ πππππ ππ£ π©πππ¨ π«ππππ€:
inequality
inequality symbol
real number line
ππ π§πππ€π’π’ππ£π π©ππ ππ€π‘π‘π€π¬ππ£π π§ππ¨π€πͺπ§πππ¨:
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Instructor: Michael Lee Harrison
Produced by Michael Lee Harrison and Kimberly Hatch Harrison
Edited by Megi Shuke
ππππ£ πͺπ₯ π©π€ π€πͺπ§ π’πππ‘ππ£π π‘ππ¨π© π©π€ ππ€ππ£ π©πππ¨ ππ‘ππ¨π¨ ππ€π§ ππ§ππ: https://snu.socratica.org/algebra
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#Math #Algebra #Inequality