Curated Video
Determining the Domain and Range of a Function
In this lesson, you will learn how to determine the domain and range of a function by analyzing sets, graphs, equations, and mappings. Understanding the definitions of domain and range is crucial in this process.
Curated Video
Explaining the Effect of Changing One Part of an Expression
In this lesson, students learn how to describe and analyze changes in measurements using absolute change and scale factors. Through examples involving the growth of a tree and the redesign of a cylindrical can, students understand the...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 6 of 10)
This video continues the exploration of a three dimensional cartesian coordinate system.This video covers three slightly more challenging examples requiring the use of the distance formula in three dimensions.
Brian McLogan
Sketch the triangle and find the six trigonometric functions
π Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
Taking the derivative with a square root and tangent
π Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative...
Brian McLogan
Learn how to take the fourth derivative of a polynomial
π Learn how to find the higher derivative of a function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a function...
Brian McLogan
Learn how to find the component form and magnitude of a vector
Learn how to write a vector in component form given two points and also how to determine the magnitude of a vector given in component form. Given two point vectors with one representing the initial point and the other representing the...
KnowMo
Solving 3D Problems using Pythagoras and Trigonometry
The video is an electric presentation on how to solve problems in 3D by breaking them down into their 2D components. The focus is on using Pythagoras and trigonometry to find missing lengths and angles. The presenter provides...
Curated Video
Rearranging Geometric Formulas
In this video, students will learn how to rearrange geometric formulas using the properties of equality. The teacher explains how to solve equations involving trapezoids and circles, focusing on finding the missing base or radius.
Brian McLogan
Summary for Expanding logarithmic expressions
π Learn how to condense/expand logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the...
Brian McLogan
How to write the domain of a rational function with a radical in denominator
π Learn how to find the domain of rational functions with a radical denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
Flipping Physics
A Range Equation Problem with Two Parts
Mr.p throws a ball toward a bucket that is 581 cm away from him horizontally. He throws the ball at an initial angle of 55Β° above the horizontal and the ball is 34 cm short of the bucket. If mr.p throws the ball with the same initial...
Brian McLogan
How to find the component form and magnitude of a vector
Learn how to write a vector in component form given two points and also how to determine the magnitude of a vector given in component form. Given two point vectors with one representing the initial point and the other representing the...
Brian McLogan
Evaluate the limit at infinity with square root
π Learn how to evaluate the limit of a function by rationalizing the radical. 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...
Brian McLogan
How do you determine from points what type of triangle you have
π Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Flipping Physics
Simple Harmonic Motion Derivations using Calculus (Mass-Spring System)
Calculus is used to derive the simple harmonic motion equations for a mass-spring system. Equations derived are position, velocity, and acceleration as a function of time, angular frequency, and period. This is an AP Physics C: Mechanics...
Brian McLogan
Find the sum of a linear equation and square root function to find domain
π Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Brian McLogan
Write a vector in component form and find 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
How do you find the unit vector of another in the same direction
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
What does the discriminat tell us about our zeros graphically
π Learn all about the discriminant of quadratic equations. A quadratic equation is an equation whose highest power on its variable(s) is 2. The discriminant of a quadratic equation is a formula which is used to determine the type of...
Brian McLogan
Free Online Tutoring solving quadratics
πLearn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
How to determine if points create similar triangles using the distance formula
π Learn how to determine whether two triangles are similar given the coordinate points of the vertices of the triangle. Two triangles are said to be equal when the corresponding angles of the triangles are congruent (equal) or when the...
Curated Video
How to Calculate Standard Deviation
This video explains how to calculate standard deviation, defines variance and standard deviation, and provides two formulas for finding standard deviation. The video also includes an example calculation of standard deviation using both...
Programming Electronics Academy
3 Ways to Use Acceleration in an Arduino Sketch
This tutorial covers three easy ways to implement some form of acceleration in your Arduino sketches. It will cover the following: Linear Acceleration Exponential Acceleration Messing Around with the Square root function