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KnowMo
Reflections of Graphs: Understanding How and Why Graphs Get Reflected in the X or Y Axis
The video is a lecture presentation on the topic of reflections of graphs. The presenter explains the concept of reflection and how and why graphs get reflected in the X or Y axis using mirror lines. They use examples to explain the...
Brian McLogan
Graphing Cosine with a Vertical Translation and a Reflection
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Brian McLogan
4d Example 1 (Evaluate Trig Functions using intercepts of the unit circle)
4d Example 1 (Evaluate Trig Functions using intercepts of the unit circle)
Brian McLogan
Learn how to graph the exponential function with reflection about y-axis
👉 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
What are the transformations for exponential graphs
👉 Learn all about graphing exponential functions. An exponential function is a function whose value increases rapidly. To graph an exponential function, it is usually useful to first graph the parent function (without transformations)....
Curated Video
Reflections: The Mathematical Flip
In this video lesson we will learn how to reflect images in the coordinate plane over the x and y axis. We will first identify the line of reflection given in the instructions. We will then determine the distance the original point is...
Brian McLogan
Learn to sketch the graph of a function and it's inverse given a table of values
👉 Learn how to find the inverse of a function. The inverse of a function is a function that reverses the "effect" of the original function. One important property of the inverse of a function is that when the inverse of a function is...
Brian McLogan
Math tutorial for graphing an exponential function
👉 Learn how to graph exponential functions involving horizontal 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...
Brian McLogan
T Misconceptions Transformations of Functions
T Misconceptions Transformations of Functions
Brian McLogan
Where do logarithms come from
👉 Learn all about logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The logarithm of a number is...
Brian McLogan
Learn how to find the horizontal and vertical asymptotes
👉 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...
Brian McLogan
4e Example 2 (How to Graph the Tangent Function Part 1)
4e Example 2 (How to Graph the Tangent Function Part 1)
Curated Video
Reflections on the Coordinate Plane
The relation between ordered pairs differs only by signs with reflections over the x- and y-axes.
Brian McLogan
Identify the transformations of sine
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Brian McLogan
Evaluate for theta between 0 and 2pi
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Curated Video
First Day of School Memories
People from all over the world reflect on what they remember about the first day of school. For some people it was traumatic, for others it was exciting. How do these first day stories compare to your own early memories of school?
Brian McLogan
Graphing an exponential function with e as the base
👉 Learn how to graph exponential functions in base e. An exponential function is a function whose value increases rapidly. e is a constant called the exponential constant equal to 2.7183... To graph an exponential function, it is usually...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Reflections - 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...
Brian McLogan
Determining clockwise vs counter clockwise rotations
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Brian McLogan
Finding the x and y coordinates for a given point on the unit circle
👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
KnowMo
Translations and Reflections of Graphs
This video is a tutorial on translations and reflections of graphs in mathematics. The instructor explains how to manipulate the graph of a function by sliding or reflecting it. They also provide examples of how to shift a graph...
Science360
Reflecting in the bath
An internally frosted, large light bulb is dipped into a fish tank of water, and the total internal reflection effect produces 'other-worldly' consequences to how the bulb looks in the water. The bulb goes from white to a silvery orb....
Brian McLogan
What are transformations and the different types
👉 Learn how to determine the transformation of a function. Transformations can be horizontal or vertical, cause stretching or shrinking or be a reflection about an axis. You will see how to look at an equation or graph and determine the...
Brian McLogan
Graphing and describing transformations of a quadratic equation
👉 Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...