Brian McLogan
Graphing a parabola using the vertex and table
👉 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...
KnowMo
How to Calculate Averages from Group Frequency Tables
This video provides a tutorial on how to calculate averages from data presented in a group frequency table. The three types of averages covered in the video are the mean, median, and mode. The example used in the video is based on the...
Curated Video
Determining Real or Imaginary Solutions of Quadratic Equations
In this video lesson, you will learn how to determine whether the solutions of a quadratic equation are real or imaginary by calculating the value of the equation's discriminant. The discriminant, which is found under the square root...
FuseSchool
Area Of A Triangle 1/2absinC
The area of a triangle is ½ the base X perpendicular height. If we don’t have the perpendicular height, there is another formula we can use: 1/2absinC which we look at in this video. We need two sides and the angle in between. This will...
Catalyst University
Hydration Equation: How Much Water Does an Athlete Need?
Hydration Equation: How Much Water Does an Athlete Need?
Brian McLogan
When given two terms find the nth term of an arithmetic sequence
👉 Learn how to find the nth term of an arithmetic sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. An arithmetic sequence is a sequence in which...
Brian McLogan
How to evaluate the difference of two angles for tangent, tan
👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
How to use the half angle formula for tangent to evaluate for an angle
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Brian McLogan
How to reflect a point over the x axis
👉 Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Brian McLogan
Learn how to solve using the quadratic formula
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Let's Tute
Excel Startup Screen Overview
This tutorial provides an overview of the startup screen in Microsoft Excel, including the various options available such as templates, recent files, and search functions. It also highlights the benefits of using these features to save...
KnowMo
Calculating Missing Angles and Side Lengths in Non-Right Angle Triangles
In this video, the presenter explains how to use trigonometry to calculate missing angles and side lengths in non-right angle triangles. They describe two different methods, the sine rule and the cosine rule, and provide examples of when...
Englishing
Lesson on how to MAKE QUESTIONS (order of words when making questions)
In this mini lesson, Mr. P./Marc will explain how to make questions easily by giving two different formulas to follow and clear examples. He will delve into four different types of questions. These are: 1. Asking for the object or the...
TMW Media
Cylinders, Cones and Spheres: Learn about surface area of a cylinder
What is the formula to calculate the surface area of a cylinder? What are the parameters of a cylinder? Cylinders, Cones and Spheres, Part 1
Brian McLogan
What do I need to know to solve a quadratic by the quadratic formula
👉 Learn all about the quadratic formula. The quadratic formula is a formula which can be used to find the roots of (solve) a quadratic equation. The quadratic formula is given by x = (-b +/- sqrt(b^2 - 4ac)) / 2a, where a is the...
Brian McLogan
Solving a quadratic by applying the quadratic formula
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Brian McLogan
Finding the zeros by factoring using the difference of two cubes
👉 Learn how to find the zeroes of a polynomial equation/expression involving the sum/difference of two cubes. Given a polynomial having the sum of two cubes, the polynomial can be factored as follows: a^3 + b^3 = (a + b)(a^2 - ab + b^2)....
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Triangles and Quadrilaterals - 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 sketch a parabola by finding the focus and directrix
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...
Brian McLogan
Graphing the parabola by completing the square and find the focus and directrix
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Virtually Passed
Underdamped motion formula proof (2/2)
A spring mass damper equation when the damping ratio less than 1
Brian McLogan
Determining the sine of the sum of two angles
👉 Learn how to evaluate the sine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Convert a vector to component form and determine the magnitude
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Find the length of a arc given the radius of a circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...