322 Videos for "x"

Rotations  Problem 1
Math › Geometry › Transformations
How to describe the transformation (x, y) > (x, y). 
Angle Inclination of a Line  Concept
Math › Precalculus › Advanced Trigonometry
How to find the angle of inclination of a line. 
Area of Triangles  Problem 2
Math › Geometry › Area
How to find an unknown variable, x, when the area is given and the base and height of a triangle is given in terms of x. 
Reflections  Problem 3
Math › Geometry › Transformations
How to find the minimal path between two objects. 
Angle Inclination of a Line  Concept
Math › Trigonometry › Advanced Trigonometry
How to find the angle of inclination of a line. 
Dilations of Quadratic Graphs  Problem 4
Math › Algebra › Quadratic Equations and Functions
Describing the change in an equation for f(x) to g(x) 
Introduction to Functions  Problem 5
Math › Algebra 2 › Functions
Operations on functions, including adding, subtracting, multiplying and dividing f(x) and g(x). 
Composition of Functions  Problem 3
Math › Algebra 2 › Functions
Composition of functions, or fog(x) and gof(x) including examples with variable and integer inputs 
Continuity  Problem 2
Math › Calculus › Limits and Continuity
How to show that a function is discontinuous at a point x=a because the limit as x approaches a does not exist. 
Dilations of Quadratic Graphs  Problem 4
Math › Algebra 2 › Quadratic Equations and Inequalities
Describing the change in an equation for f(x) to g(x) 
Limits of Rational Functions  Concept
Math › Precalculus › Polynomial and Rational Functions
How to evaluate the limit of k/x^n as x goes to infinity (or negative infinity). 
Continuity  Problem 3
Math › Calculus › Limits and Continuity
How to show that a function is discontinuous at a point x=a because its limit and its value at x=a are different. 
Concavity and Inflection Points  Problem 1
Math › Calculus › Applications of the Derivative
How to show that a function is discontinuous at a point x=a because the limit as x approaches a does not exist. 
Reflections  Problem 1
Math › Geometry › Transformations
How to reflect a figure over the yaxis. 
Concavity and Inflection Points  Problem 2
Math › Calculus › Applications of the Derivative
How to show that a function is discontinuous at a point x=a because its limit and its value at x=a are different. 
Introduction to Rational Functions  Problem 1
Math › Precalculus › Polynomial and Rational Functions
How to express any rational function f(x) = (ax + b)/(cx + d) as a transformation of y = 1/x. 
Using the Inverse Trigonometric Functions  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to prove an identity that involves sin1 x and cos1 x. 
Using the Inverse Trigonometric Functions  Problem 1
Math › Precalculus › Advanced Trigonometry
How to prove an identity that involves sin1 x and cos1 x. 
Solving a Logarithmic Equation  Problem 5
Math › Precalculus › Exponential and Logarithmic Functions
Using the property that if log x = log y, then x = y , including checking for extraneous solutions. 
Finding an Inverse Graphically  Concept
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
How to graph the inverse of a function using points.