Simplification of Algebraic Expressions
This lesson covers the definition of algebraic expressions and their components, including terms and coefficients. It explains how to identify like terms, perform arithmetic operations on similar terms, and simplify expressions by inserting or removing brackets.
- 03:09 “This is another term. So we have two terms here. So for this algebraic expression, we have two terms. We can have more than two terms. For example, you have 2x plus 3 plus 5y. You don't have to be in an algebraic express...”
- 02:23 “Another example is minus 3m minus 7n plus 2. This is also an algebraic expression. I'll move on to terms. Algebraic expressions are made up of terms that are separated by an addition or subtraction sign. The algebraic ex...”
- 03:55 “Plus 2 is another term. A term can be a single number, positive or negative, or a variable, one or more numbers and variables that have been multiplied together, terms by terms, and are separated by addition or subtracti...”
Translating Word Problems into Equations
The lesson teaches how to translate word sentences into mathematical equations. It covers the use of variables to represent numbers and how to express word problems as algebraic expressions. Students will learn to solve simple equations and check their answers.
- 04:45 “Total costs, for example, maybe cost of pens and rulers. The total cost would be expressed in P plus R. Every other triangle, length times this breath, as L times B parameter of a rectangle, 2L plus 2B. That is how we ex...”
- 00:02 “Hello, my name is Dorcas Awaye. I'll be taking you mathematics today, and today's topic is algebraic processes, talking about simple equations. At the end of today's teaching, you should be able to translate word sentenc...”
- 19:25 “We've come to the end of today's class. Thank you so much for watching. My name is Dorkas Aoye, till next time.”
Revenue Types
This lesson defines revenue and explains its three main types: total revenue, average revenue, and marginal revenue. It covers how to calculate each type and their relationships to production and sales.
- 08:55 “so it's going to be P minus 30, over changing quantity, under that same P, what is it going to see, 6, okay, so you say, 6, minus 5, 6, minus 5, so your 1 equals to words, equals to P minus 30, over 6 minus 5 equals word...”
- 07:00 “So what do you do, use the under formula, which is all, which is, you say all, your CC, constable equals to all, average cost times quantity, so you can say, you can use the same idea here, okay, average cost times quant...”
- 07:57 “Use words, MR, do you have MR there, yes, so what's formula for MR, so your MR equals the word, change in CR, over words, change in words, quantity, Zanke, so, so briefly, what do we do from here, what's our MR, since yo...”