How to compose functions

Based upon the definition of speed, linear equations can be created which allow us to solve problems involving time, distance, and constant speeds.

Master Simplifying Rational Expressions

👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...

In this video, students learn how to determine the coordinates of translated figures without actually drawing them. The teacher explains the concept of translations and emphasizes the importance of correctly manipulating the X and Y...

👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...

This video goes over 8 examples, covering the proper way to translate sentences usually containing the key word "is" into equations.

👉 Learn how to expand logarithms using the product/power rule. The product rule of logarithms states that the logarithm of a product to a given base is equivalent to the sum of the logarithms of the terms that make up the product to the...

In this video series I show you how to simplify an expression by following the order of operations. In these examples we have an expression that has parenthesis and brackets. We simplify the inner most parenthesis first and then work...

Microsoft Excel is used to calculate the liquid mole fraction and temperature of a mixture, using Raoult's law for vapor-liquid equilibrium. Excel solver is used to solve for 2 equations and 2 unknowns.

👉 Learn how to multiply radicals. A radical is a number or an expression under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...

Prepositions of Place (at, in & on) are seldom confused by students. In this video, Mr. P./Marc will be very specific on when to use them. There can be also expressions that take either one of them. He will give some examples on the...

In this video, a teacher explains the importance of mathematics in our everyday lives and introduces the concept of algebra. The teacher explains the difference between arithmetic and algebra, and provides examples of algebraic...

This video teaches how to solve equations using addition and subtraction, using algebra tiles to model the process and introducing the addition and subtraction properties of equality. The lesson covers examples at varying levels of...

👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...

It explains factorisation of algebraic expressions by using the method of common factors and by regrouping the terms.

👉 Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...

In this video, the teacher explains how to identify equivalent expressions by using substitution. They review the order of operations and discuss common mistakes. Then, they demonstrate how to check if two expressions are equivalent by...

Apply the associative property of multiplication.

👉 Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....

👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...

👉 Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...

👉 Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...

In this lesson, we learned how to evaluate the accuracy of written descriptions of mathematical expressions. We discovered that it is important to be specific and avoid descriptions that can apply to multiple expressions.