Instructional Video2:13
Brian McLogan

Learn to find the asymptotes with sine in the denominator

12th - Higher Ed
👉 Learn how to find the vertical asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but never...
Instructional Video2:30
Brian McLogan

How to determine if discontinuities are holes or asymptotes

12th - Higher Ed
👉 Learn how to find the removable and non-removable discontinuity of a function. A function is said to be discontinuous at a point when there is a gap in the graph of the function at that point. A discontinuity is said to be removable...
Instructional Video10:26
Brian McLogan

4e Example 2 Part 2 (How to Graph the Tangent Function Part 2)

12th - Higher Ed
4e Example 2 Part 2 (How to Graph the Tangent Function Part 2)
Instructional Video4:01
Brian McLogan

Writing the equation of a polynomial given three different zeros

12th - Higher Ed
👉 Learn how to write the equation of a polynomial when given rational 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 Video1:01:45
Brian McLogan

Graph Rational Functions | Rational Functions | Pre-Calculus

12th - Higher Ed
Let's discover how to identify the asymptotes and intercepts of a rational function. We will begin graphing the reciprocal function and use that to help us understand the asymptotes and intercepts of any reciprocal function. I make...
Instructional Video5:20
Brian McLogan

Graph Piecewise Functions

12th - Higher Ed
👉 Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Instructional Video7:48
Brian McLogan

Graphing a rational function with no horizontal asymptote

12th - Higher Ed
👉 Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Instructional Video6:27
Brian McLogan

Determine the vertical asymptotes

12th - Higher Ed
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Instructional Video3:05
Brian McLogan

Values and Limits of Graph

12th - Higher Ed
👉 Learn all about the Limit. In this playlist, we will explore how to evaluate the limit of an equation, piecewise function, table and graph. We will explore continuity as well as discontinuities such as holes, asymptotes and jumps and...
Instructional Video4:16
Brian McLogan

Given three zeros learn how to write the equation of a polynomial

12th - Higher Ed
👉 Learn how to write the equation of a polynomial when given rational 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 Video8:16
Brian McLogan

Learn how to graph a rational expression with symmetry about the origin

12th - Higher Ed
👉 Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Instructional Video5:16
Brian McLogan

how to sketch the graph of a hyperbola in conic sections

12th - Higher Ed
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Instructional Video11:16
Brian McLogan

Graphing a rational functions with asymptotes

12th - Higher Ed
👉 Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Instructional Video4:38
Brian McLogan

How To Graph Tangent

12th - Higher Ed
👉 Learn how to graph a tangent function. To graph a tangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the parent function), the vertical shift (the...
Instructional Video1:29
Brian McLogan

Simplifying expressions using the rules of exponents, quotient property

12th - Higher Ed
👉 Learn how to simplify expressions using the quotient rule and the negative exponent rule of exponents. The quotient rule of exponents states that the quotient of powers with a common base is equivalent to the power with the common base...
Instructional Video3:49
Brian McLogan

What is the definition of the inverse Tangent function

12th - Higher Ed
👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Instructional Video3:53
Brian McLogan

What is the Domain Range and Vertical Asymptote of Tangent

12th - Higher Ed
👉 Learn the basics of graphing a tangent and a cotangent function. To plot the tangent and the cotangent graph we choose a set of points and form a table of values with which we plot the points on the x-y coordinate axis to obtain the...
Instructional Video15:53
Brian McLogan

Discontinuities of Rational Functions

12th - Higher Ed
Discontinuities of Rational Functions
Instructional Video7:40
Brian McLogan

Graph Cosecant: Phase shift and reflection

12th - Higher Ed
Graph Cosecant: Phase shift and reflection
Instructional Video4:52
Brian McLogan

Determine the horizontal asymptotes

12th - Higher Ed
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Instructional Video5:08
Curated Video

Creating and Graphing Relationships Using Rational Functions

K - 5th
In this video, the teacher explains how to create and graph rational functions by using the example of renting out a pool. They cover the concept of rational functions, input restrictions, and asymptotes. The lesson demonstrates how the...
Instructional Video7:37
Brian McLogan

Comparing the graphs of the six trigonometric functions

12th - Higher Ed
👉 Learn the basics of graphing trigonometric functions. The graphs of trigonometric functions are cyclical graphs which repeats itself for every period. To graph the parent graph of a trigonometric function, we first identify the...
Instructional Video4:09
Brian McLogan

Given vertices and asymptotes, write the equation of the hyperbola

12th - Higher Ed
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Instructional Video3:42
Brian McLogan

How to write the equation of a parabola given vertex and directrix

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)....