Instructional Video3:20
Brian McLogan

How do you describe your solutions using the discriminate

12th - Higher Ed
👉 Learn how to solve a quadratic equation by applying the quadratic formula. To apply the quadratic formula the quadratic equation must be equal to zero. Then you can apply the quadratic formula to determine solutions to the equation,...
Instructional Video6:18
Brian McLogan

What does the discriminant tell us about the solutions of a quadratic equation

12th - Higher Ed
👉 Learn all about the discriminant of quadratic equations. A quadratic equation is an equation whose highest power on its variable(s) is 2. The discriminant of a quadratic equation is a formula which is used to determine the type of...
Instructional Video8:35
Why U

Pre-Algebra 11 - Fractions and Rational Numbers

12th - Higher Ed
The first fractions used by ancient civilizations were "unit fractions". Later, numerators other than one were added, creating "vulgar fractions" which became our modern fractions. Together, fractions and integers form the "rational...
Instructional Video5:01
Curated Video

Converting Repeating Decimals into Fractions: Proving Rationality

K - 5th
This video introduces the concept of rational numbers and discusses the skepticism surrounding repeating decimals. Through examples and a pattern, the teacher shows how to convert repeating decimals into fractions, providing a clear...
Instructional Video5:05
Curated Video

Working with Decimals, Fractions, and Whole Numbers

K - 5th
In this video, the teacher explains how to work with decimals, fractions, and whole numbers in real-world contexts. They demonstrate how to find the average speed of a car and how to calculate the amount of money left after spending a...
Instructional Video3:02
Curated Video

Identifying Implied Information in Part to Part Ratios

K - 5th
In this video, the teacher explains the concept of ratios and focuses specifically on part to part ratios. The teacher emphasizes the importance of identifying implied information in ratios and demonstrates this by using a scenario of a...
Instructional Video4:49
Curated Video

Using Addition and Division to Solve Real World Problems with Rational Numbers

K - 5th
In this video, the teacher demonstrates how to use addition and division to solve real-world problems involving rational numbers. They explain concepts like equivalent fractions and order of operations, and provide examples of applying...
Instructional Video2:48
Curated Video

Rewriting Problems with Rational Numbers Using Properties of Multiplication and Division

K - 5th
In this lesson, students learn how to rewrite problems involving rational numbers by applying properties of multiplication and division. They review the commutative property, which states that the order of numbers being multiplied or...
Instructional Video6:36
Brian McLogan

How to do the number of solutions of a quadratic relate to the x intercepts

12th - Higher Ed
👉 Learn how to graph a quadratic equation in standard form. To do this we will explore multiple methods such as the intercept method, identifying the vertex, axis of symmetry and identifying points on the graph using a table. Once you...
Instructional Video13:57
Why U

Algebra 78 - Imaginary and Complex Numbers

12th - Higher Ed
The concept of imaginary and complex numbers was a powerful innovation that enabled mathematics to progress into previously uncharted territory. Although this concept was not entirely intuitive, extending our number system to include...
Instructional Video8:50
Let's Tute

Representation of Irrational Numbers on Number Line

9th - Higher Ed
This video explains how to represent irrational numbers on the number line using the spiral method with Pythagoras theorem. It provides step-by-step instructions and examples, including how to represent root 5 and root 6 on the number...
Instructional Video3:10
Brian McLogan

How to write the polynomial equation given imaginary zeros

12th - Higher Ed
👉 Learn how to write the equation of a polynomial when given imaginary zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Instructional Video6:17
Brian McLogan

Learn how to use Descartes rule of signs and the fundamental theorem of algebra

12th - Higher Ed
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Instructional Video10:39
Let's Tute

Converting Decimal Rational Numbers into Fractions

9th - Higher Ed
In this video, the teacher explains how to convert decimal rational numbers into fraction form, including both finite and infinite decimals. The concept of place value is also introduced to aid in understanding the process.
Instructional Video3:56
Brian McLogan

Tutorial - How do we divide complex numbers, 8/i

12th - Higher Ed
In this video series I will show you how divide complex numbers. We do this by eliminating the imaginary number on the denominator by producing equivalent fractions. We do this by multiplying i if we have an imaginary number on the...
Instructional Video7:25
Brian McLogan

How to simplify a radical expression by rationalizing the denominator

12th - Higher Ed
👉 Learn how to find the 4th root of rational expressions. To find the 4th root of a rational expression, we first express the rational expression as the 4th root of the numerator divided by the 4th root of the denominator. Next we...
Instructional Video13:12
Curated Video

Subtracting Rational Numbers

9th - 12th
In this video lesson we will learn that we use the same rule for subtracting rational numbers as we did for subtracting integers. We will rewrite the subtraction problem to be an addition problem by adding the opposite value. Fondly...
Instructional Video5:28
Let's Tute

Real Numbers - Some Stupid Math Mistakes 2 - Quiz

9th - Higher Ed
In this video we will learn some mistakes we make in real numbers
Instructional Video3:48
Curated Video

Using the Associative Property of Multiplication with Rational Numbers

K - 5th
In this video, the teacher explains how to rewrite multiplication problems with rational numbers using the associative property of multiplication. They review the order of operations and explain how to perform operations inside grouping...
Instructional Video2:43
Curated Video

Evaluating Multiplication Expressions Using Properties

K - 12th
Use the commutative and associative properties to rearrange factors in an expression containing rational numbers.
Instructional Video1:10
Curated Video

Add a Whole Number and a Negative Fraction

9th - 12th
This short video is a commonly missed question in my Grade 7 Math classroom. Watch and listen for the rules to be sure you know how to add positive and negative fractions!

Apply and extend previous understandings of operations...
Instructional Video3:20
Brian McLogan

Why do I need to know the difference of real numbers

12th - Higher Ed
👉 Learn how to classify numbers. We will classify numbers as real, imaginary, rational, and irrational.
Instructional Video3:56
Curated Video

Exploring the Division of Rational Numbers

K - 12th
Interpret the division of rational numbers as fractions.
Instructional Video11:25
Brian McLogan

If you Want an A You Need to know how to divide these polynomials

12th - Higher Ed
If you Want an A You Need to know how to divide these polynomials