Instructional Video8:13
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video12:06
Brian McLogan

Conics Graphing an ellipse standard form by completing the square

12th - Higher Ed
Learn how to graph vertical ellipse which equation is in general form. A vertical ellipse is an ellipse which major axis is vertical. When the equation of an ellipse is written in the general form, we first rewrite it in standard form...
Instructional Video8:10
Brian McLogan

How to sketch the graph of a parabola in standard form

12th - Higher Ed
Learn how to graph a parabola in standard form when the vertex is not at the origin. We will learn how to graph parabola's with horizontal and vertical openings. In addition to graphing you will also learn how to identify the important...
Instructional Video8:22
Brian McLogan

Graph an ellipse by first completing the square

12th - Higher Ed
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Instructional Video5:41
Brian McLogan

Given the vertex and directrix, learn to write the standard form of a parabola

12th - Higher Ed
Learn how to write the equation of a parabola given the vertex and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Instructional Video5:35
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video5:40
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video3:58
Brian McLogan

Graphing a linear equation in slope intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations written in slope intercept form. When given a linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). We first plot the y-intercept and...
Instructional Video6:10
Curated Video

Identifying Real and Complex Roots of Quadratic Equations

K - 5th
In this video, the teacher explains how to identify whether a quadratic equation has real or complex roots without actually solving it. The concept of the discriminant is introduced and its role in determining the number and type of...
Instructional Video10:37
Brian McLogan

Graph the ellipse by completing the square to write in standard form

12th - Higher Ed
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Instructional Video4:27
Brian McLogan

Finding the vector with a given magnitude and direction of another vector

12th - Higher Ed
In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to review previous lessons, complete your...
Instructional Video2:26
Brian McLogan

Adding two vectors and graphing

12th - Higher Ed
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Instructional Video4:22
Brian McLogan

What is the degree and leading coefficient of a polynomial

12th - Higher Ed
πŸ‘‰ Learn how to find the degree and the leading coefficient of a polynomial expression. The degree of a polynomial expression is the the highest power (exponent) of the individual terms that make up the polynomial. For terms with more...
Instructional Video2:30
Brian McLogan

Learn how to solve a system of equations by substitution

12th - Higher Ed
πŸ‘‰Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Instructional Video4:30
Brian McLogan

Learn to graph a linear equation when it is in slope intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations written in slope intercept form. When given a linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). We first plot the y-intercept and...
Instructional Video4:35
Brian McLogan

Graphing a linear inequality with a slope of negative one and dashed line

12th - Higher Ed
πŸ‘‰ Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...
Instructional Video3:18
Brian McLogan

Graph a linear equation in slope intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations written in slope intercept form. When given a linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). We first plot the y-intercept and...
Instructional Video5:59
Brian McLogan

How to sketch a parabola by finding the focus and directrix

12th - Higher Ed
Learn how to graph a vertical parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be vertical if it opens up or opens down. A vertical parabola results from a quadratic equation in which the x...
Instructional Video6:36
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video2:28
Brian McLogan

Graphing a linear equation in slope intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations written in slope intercept form. When given a linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). We first plot the y-intercept and...
Instructional Video8:03
KnowMo

Introduction to Standard Form

12th - Higher Ed
This video is a lecture presentation that introduces standard form, a system for expressing numbers in a common format, which helps condense large and small numbers into a more calculable format. The presenter explains how standard form...
Instructional Video1:40
Brian McLogan

Algebra 2 - Learn how to add two sets of complex numbers using the imaginary unit i

12th - Higher Ed
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...
Instructional Video4:41
Brian McLogan

Writing the equation of a parabola in standard form from conic sections

12th - Higher Ed
Learn how to write the equation of a parabola given the vertex and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Instructional Video4:22
Brian McLogan

What is the definition of standard form, degree and leading coefficient of a polynomial

12th - Higher Ed
πŸ‘‰ Learn how to find the degree and the leading coefficient of a polynomial expression. The degree of a polynomial expression is the the highest power (exponent) of the individual terms that make up the polynomial. For terms with more...