268 Videos for "x"

The Definition of the Derivative  Concept
Math › Calculus › The Derivative
How to define the derivative of a function at a point x=a. 
Function Notation  Concept
Math › Algebra 2 › Functions
How to define function notation. 
The Definition of the Derivative  Problem 1
Math › Calculus › The Derivative
How to compute the derivative of a function at a point x=a using the definition of the derivative. 
The Derivative Function  Concept
Math › Calculus › The Derivative
How to define the derivative function f'(x). 
The Definition of the Derivative  Problem 2
Math › Calculus › The Derivative
How to estimate the derivative of a function at a point x=a. 
Function Notation  Problem 2
Math › Algebra › Graphs and Functions
How to evaluate a function for a given x value. 
Introduction to Parabolas  Concept
Math › Precalculus › Equations of Lines, Parabolas and Circles
How to talk about a parabola. 
The Ellipse  Concept
Math › Precalculus › Conic Sections
All about ellipses. 
Sex Chromosomes
Science › Biology › Cell Division and Reproduction
The description of sex chromosomes. 
Trigonometric Identities  Problem 1
Math › Trigonometry › Trigonometric Functions
How to use the Pythagorean identity to find cosine and tangent when sine is known. 
Trigonometric Identities  Problem 1
Math › Precalculus › Trigonometric Functions
How to use the Pythagorean identity to find cosine and tangent when sine is known. 
Graphing a Rational Expression  Problem 7
Math › Algebra 2 › Rational Expressions and Functions
Finding x and yintercepts of rational functions. 
The Ellipse  Problem 4
Math › Precalculus › Conic Sections
How to find the equation of an ellipse by completing the square. 
Continuity  Problem 1
Math › Calculus › Limits and Continuity
How to show that a function is discontinuous at a point x=a because it is not defined there. 
The Ellipse  Problem 2
Math › Precalculus › Conic Sections
How to transform the graph of an ellipse and find transformed vertices. 
Solving Twostep Equations  Problem 2
Math › Algebra › Solving Equations
How to solve twostep equations when x is the numerator. 
Polygon Angle Sum  Problem 2
Math › Geometry › Polygons
How to find the number of sides of a polygon when you know the sum of its angles. 
Finding an Inverse Algebraically  Concept
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
How to find the inverse of a function algebraically 
Solving Singlestep Equations  Problem 3
Math › Algebra › Solving Equations
How to solve single step equations when x is the numerator. 
Triangle Angle Sum  Problem 2
Math › Geometry › Triangles
How to apply the triangle angle sum theorem when you need to solve for x.