Instructional Video9:52
3Blue1Brown

Vectors, what even are they? | Essence of linear algebra, chapter 1

12th - Higher Ed
What is a vector? Is it an arrow in space? A list of numbers?
Instructional Video1:15
Brian McLogan

Quickly learn how to factor a quadratic with three terms

12th - Higher Ed
👉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...
Instructional Video5:09
Brian McLogan

how to factor a quadratic with three terms using a box

12th - Higher Ed
👉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...
Instructional Video3:11
Brian McLogan

How to simpify three radicals in an expression, 2root(24) + 5root(27) - root(6)

12th - Higher Ed
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Instructional Video6:27
Brian McLogan

Evaluating an expression with three variables - Online Tutor - Free Math Videos

12th - Higher Ed
👉 Learn how to add and subtract polynomials by either using the vertical or horizontal method.
Instructional Video2:57
Brian McLogan

Learn how to multiply two three digit numbers

12th - Higher Ed
👉 You will learn how to multiply integers from one digit to multiple digits. When multiplying it is important to understand that multiplication is just repeated addition. However with multi-digit numbers we will follow a step by step...
Instructional Video13:42
Why U

Algebra 56 - A Geometrical View of Gauss-Jordan Elimination -

12th - Higher Ed
Although Gauss-Jordan Elimination is typically thought of as a purely algebraic process, when viewed geometrically, this process is beautiful and amazing, providing insights into the underlying mechanisms of the matrix transformations...
Instructional Video18:44
Why U

Algebra 61 - Gauss-Jordan Elimination with Inconsistent Systems

12th - Higher Ed
When Gauss-Jordan elimination transforms a matrix representing an inconsistent system of linear equations to reduced row-echelon form, a matrix row containing all zero coefficient entries and a non-zero constant entry is produced,...
Instructional Video7:06
Why U

Pre-Algebra 18 - Converting Fractions to Decimal Numbers

12th - Higher Ed
Any fraction can be converted into an equivalent decimal number with a sequence of digits after the decimal point, which either repeats or terminates. The reason can be understood by close examination of the number line.
Instructional Video12:13
Why U

Algebra 47 - Describing Infinte Solution Sets Parametrically

12th - Higher Ed
When the graph of the solutions of a system of linear equations in three variables is a line in Cartesian space, the solutions can be described either by a group of three parametric equations, or a parametric ordered-triple. This lecture...
Instructional Video3:51
KnowMo

Introduction to Common Sequences: Triangular, Square, and Cube Numbers

12th - Higher Ed
The video introduces viewers to three common types of sequences: triangular numbers, square numbers, and cube numbers. The presenter explains how each of these sequences is derived from specific geometric patterns and provides examples...
Instructional Video1:51
Brian McLogan

Learn how to subtract a three digit whole number from another three digit whole number

12th - Higher Ed
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Instructional Video2:38
Brian McLogan

Learn how to factor three different perfect square trinomials

12th - Higher Ed
👉Learn how to factor perfect square trinomials. Perfect square trinomials are formed when binomials are multiplied by themselves. To factor an algebraic expression means to break it up into expressions that can be multiplied together to...
Instructional Video1:59
Brian McLogan

How to subtract a larger number from a smaller number

12th - Higher Ed
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Instructional Video2:22
Brian McLogan

Learn how to add and subtract the square root of three different numbers

12th - Higher Ed
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Instructional Video4:58
Brian McLogan

Finding the value of three consecutive numbers adding up to 21 - Free Math Videos

12th - Higher Ed
Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Instructional Video3:17
Brian McLogan

How to find three consecutive odd numbers with a sum of 63 - Math Help - Online Tutor

12th - Higher Ed
👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Instructional Video1:19
Brian McLogan

Factoring a basic trinomial using the x method, x^2 + 8x - 9

12th - Higher Ed
👉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...
Instructional Video3:52
Brian McLogan

Learn how to factor a trinomial when a is one using the box method, x^2 + 7x + 10

12th - Higher Ed
👉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...
Instructional Video3:02
Brian McLogan

Learn the easy way to factor a trinomial when a=1

12th - Higher Ed
👉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...
Instructional Video2:30
Brian McLogan

How to factor a trinomial with a negative middle term

12th - Higher Ed
👉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...
Instructional Video4:17
Brian McLogan

How to factor a trinomial when your middle and constant terms are positive

12th - Higher Ed
👉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...
Instructional Video2:44
Brian McLogan

Learn how to factor a trinomial

12th - Higher Ed
👉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...
Instructional Video1:52
Brian McLogan

Learn the basic way to factor a trinomial

12th - Higher Ed
👉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...