Brian McLogan
How to graph a linear equation in slope intercept form, y = (2/3)x - 4
π 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Perpendicular Lines - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
How to evaluate a piecewise function with a hole
π Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the constraints of each function as you can only...
Brian McLogan
Learn how to determine the limit of a logarithmic function
π Learn how to evaluate the limit of a transcendental function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The limit of a function...
Curated Video
Standard Form: How to Rewrite a Linear Equation
In this video lesson we will learn about the Standard Form of a linear equation. We will learn that A, B, and C must be integer values and A must be positive. We will learn how to rewrite an equation in slope-intercept from into Standard...
Brian McLogan
How to solve a system of equations by graphing both equations
πTo solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Brian McLogan
How to graph an exponential function
π Learn how to graph exponential functions involving vertical shift. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the table...
Brian McLogan
Graphing the linear system with a vertical line
πTo solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Brian McLogan
Graph a logarithmic equation and determine the domain and range
π Learn how to graph logarithmic functions involving vertical shift. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of the...
Curated Video
Comparing Linear Relations Using Cell Phone Plans
This video explains how to compare two cell phone plans using linear relations. By analyzing the slope and the Y intercept of each plan's equation, the teacher demonstrates how to determine which plan is better at different points. The...
Curated Video
Graphing Exponential and Logarithmic Functions
In this lesson, students will learn how to graph exponential and logarithmic functions with a stretch or reflection by considering the effects of caffeine in the body. They will understand the basic characteristics of these functions,...
Brian McLogan
How to determine the slope and y intercept from an equation in standard form
π Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Brian McLogan
Graphing a linear equation in standard form by converting to slope intercept form
π Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Brian McLogan
Determine a line parallel to another through a given point using slope intercept form
π Learn how to write the equation of a line that is parallel to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms...
Curated Video
Sketching Quadratics with a = 1: Completing the Square and Finding Intercepts
In this video, the speaker gives a lecture about sketching quadratics where the value of A is equal to 1. They explain the general shape of a quadratic and how completing the square can help find the turning points and line of symmetry....
Brian McLogan
How to graph the secant graph
π Learn the basics of graphing the secant and the cosecant graphs. Recall that the secant is the reciprocal of the cosine while the cosecant is the reciprocal of the sine. Also recall that the cosine graph is a sinusoidal graph with...
Brian McLogan
How to graph the cosecant graph
π Learn the basics of graphing the secant and the cosecant graphs. Recall that the secant is the reciprocal of the cosine while the cosecant is the reciprocal of the sine. Also recall that the cosine graph is a sinusoidal graph with...
Brian McLogan
Graphing a linear system of inequalities in standard form
π Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Brian McLogan
Learn how to graph an inequality that is in standard form and shade
π Learn how to graph linear inequalities. 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 broken line (dashes) is used...
Brian McLogan
Graphing a linear inequality when you have to flip the sign
π Learn how to graph linear inequalities written in standard 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 broken...
Brian McLogan
Writing an equation given the slope and x intercept
In this video series I show you how to write linear equations when given a point, slope, or two points. We will write the equation of a line using this information and using different forms of a linear equation. Slope intercept, point...
Brian McLogan
Write the equation of a line given the slope and point goes through
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Curated Video
Graphing Linear Functions in Standard Form
In this video, the teacher explains how to graph linear functions in standard form and how to find x and y-intercepts. The lesson includes a review of horizontal and vertical lines and a real-world problem to apply the concepts.
Brian McLogan
Master Writing the equation of a line perpendicular to another equation through a given point
Master Writing the equation of a line perpendicular to another equation through a given point