Videos [1–100 of 12756 videos]

17:58
Graphs of Polynomial Functions

10:52
Modeling and Counting 10

16:25
Parallel and Perpendicular Vectors in Space

14:50
Parallel Lines and Transversals: Angle Applications

14:32
Static Friction

16:35
Vertical and Horizontal Lines

08:25
Equivalent Expressions for the Quintic Roots of Unity

08:49
Subtracting by Counting Back: Numbers up to 10

02:16
Application of the Counting Principle (Product Rule)

02:08
Applications of the Counting Principle

02:28
Applications of the Counting Principle

01:59
Applications of the Counting Principle

02:05
Applications of the Counting Principle (Product Rule)

17:38
Choosing Equilibrium Conditions

01:19
Constructing a Matrix That Represents a Given Set of Data

17:11
Degree and Coefficient of Polynomials

02:10
Determining the Intersection of Two Events Using Multiplication Rule

01:14
Determining the Solution Set of a Linear Inequality with Positive Integer Numbers

13:22
Directed Angles

00:47
Evaluating Algebraic Expressions with Negative Exponents

00:52
Expressing a Vector in Cartesian Coordinates

00:52
Expressing a Vector in Cartesian Coordinates

00:49
Expressing a Vector in Cartesian Coordinates

00:51
Expressing a Vector in Terms of Unit Vectors

03:47
Finding the Change in the Gravitational Potential Energy of a Vertically Falling Body between Two Given Points

03:17
Finding the Direction of the Resultant of Two Perpendicular Forces

06:50
Finding the Inverse of an Upper Triangular Matrix

04:14
Finding the Missing Element in One of Two Equal Matrices Using Multiplication

01:48
Finding the Negative Entries of a Matrix

03:21
Finding the Scalars Multiplied by Four Matrices That Add up to a Given Matrix

04:05
Finding the Sum of the Kinetic and Potential Energies of a Body Falling Vertically at a Given Point

01:17
Finding the Unknown Coordinate of a Point That Satisfies a Given Linear Function

04:23
Finding the Unknown Elements of a Singular Matrix

02:00
Finding the Value of a Logarithm Using Substitution

10:20
Forming and Solving Exponential Equations Involving Logarithms in a Geometric Context

15:14
Ionic Equations

15:21
The Carbon Cycle

03:11
The Derivative of an Inverse Tangent Function

12:28
The Heart

12:35
The Higgs Boson

13:32
The Menstrual Cycle

17:59
Using Determinants to Calculate Areas

04:04
Using Substitution of Terms to Verify an Identity

03:38
Using the Cosine Rule to Find an Unknown Length in a Triangle in a RealLife Context

01:39
Using the Distributive Property to Find an Unknown in a Given Equation

06:08
Using Transformations to Determine Similarity

04:57
Reciprocals of the 𝑛th Roots of Unity

02:08
Determining the Quadrant Containing a Given Complex Number in Polar Form

02:39
Finding Common Roots of Unity

03:12
Solving Equations Involving Complex Numbers in Polar Form

06:59
Summing Powers of Primitive Roots of Unity

03:22
Finding the Square Roots of Complex Numbers Using De Moivre’s Theorem

05:43
Finding the Inverse of a Diagonal Matrix

02:29
Finding the Value of the Unknown Coefficients of a Linear Function given Its 𝑦Intercept and Its Value at a Certain 𝑥 Value

02:25
Angular Momentum of a System of Three Identical Disks

04:57
Angular Velocity of Three Disks Rotating around an Axle

01:53
Calculating the Angular Momentum of a Solid Metal Sphere

01:17
Calculating the Angular Momentum of Earth

01:42
Calculating the Angular Speed of a Car Wheel

03:05
Calculating the Ratio between the Masses of Two Objects Rotating around the Same Axis

02:03
Determining SI Unit for the Moment of Inertia

02:24
Acceleration Due to Gravity at Half the Radius of Earth

03:29
Calculating the Distance between a Spacecraft and the Moon

03:26
Calculating the Escape Velocity of Jupiter’s Moon Europa

03:52
Calculating the Gravitational Potential Energy of an Asteroid–Planet System

04:58
Determining the Path of Alpha Particles in a Rutherford Experiment

05:32
Examining the Acceleration due to Gravity of Three Planets Having Varying Properties

01:45
Calculating the Angular Impulse given to the Wheels of a Car

02:11
Calculating Torque Using Angular Impulse

02:52
Resultant Motion and Force

02:36
Total Angular Impulse

02:25
Adding Complex Numbers in Exponential Form

04:02
Converting the Product of Complex Numbers in Algebraic Form into Exponential Form

04:45
Determining the Location of the Conjugate of a Complex Number Represented on an Argand Diagram

02:34
Determining the Quadrant Containing a Given Complex Number in Algebraic Form

01:56
Finding the Conjugate of a Complex Number Represented on the Argand Diagram

02:22
Finding the Midpoint of Two Complex Numbers Drawn on an Argand Diagram

04:48
Finding the Roots of a Negative Number in Trigonometric Form of Complex Numbers

06:13
Finding the Roots of Complex Numbers Using De Moivre’s Theorem

02:31
Finding the Square Roots of Complex Numbers in Algebraic Form

04:15
Finding the Square Roots of Imaginary Numbers

03:58
Finding the Sum of the 𝑛th Roots of Unity

03:34
Finding the 𝑛th Roots of Unity

02:42
The 𝑛th Roots of Unity

01:42
Applications of the Counting Principle (Product Rule)

02:43
Applications of the Counting Principle (Product Rule)

02:41
Finding the Base of a Logarithmic Function given a Point It Passes through to Evaluate It at a Certain Value

02:10
Converting Complex Numbers from Algebraic to Exponential Form

02:14
Converting Complex Numbers from Algebraic to Exponential Form

02:00
Multiplication of Complex Numbers in Exponential Form

01:49
Common Vertices Problem Using Roots of Unity

02:28
Finding 𝑛th Roots of Unity

02:25
Finding 𝑛th Roots of Unity in Algebraic Form

04:27
Coordinates of Regular Polygons at the Origin

02:07
Geometric Applications of the 𝑛th Roots of a Complex Number

03:23
Relation between Arbitrary Roots and Roots of Unity

03:48
Roots of a Complex Number

05:00
Determining the Ratio of the Current in the Galvanometer to That in the Multiplier Resistor

05:19
Explaining How an Alternating Current Produces a Constant HotWire Ammeter Reading

02:49
Resonance in Alternating Current Circuits