268 Videos for "x"

Trigonometric Equations that Require Factoring  Problem 2
Math › Precalculus › Advanced Trigonometry
How to solve a tangent equation by factoring: tan2 x  tan x ? 2 = 0. 
The First Derivative Test for Relative Maximum and Minimum  Problem 3
Math › Calculus › Applications of the Derivative
How to determine whether a function f(x) is continuous at a particular point x=a. 
Trigonometric Equations that Require Factoring  Problem 3
Math › Trigonometry › Advanced Trigonometry
How to solve a sine and cosine equation by factoring: ?2 sin2 x ? 5 cos x + 4 = 0. 
Trigonometric Equations that Require Factoring  Problem 1
Math › Precalculus › Advanced Trigonometry
How to solve a sine equation by factoring: 2 sin2 x ? 3 sin x + 1 = 0. 
Trigonometric Equations that Require Factoring  Problem 1
Math › Trigonometry › Advanced Trigonometry
How to solve a sine equation by factoring: 2 sin2 x ? 3 sin x + 1 = 0. 
Symmetry of Polar Graphs  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to determine if the graph of a polar equation is symmetric about the yaxis when the first test of symmetry doesn't work. 
Composition of Functions  Concept
Math › Algebra 2 › Functions
How to calculate the composition of functions. 
Percents  Problem 3
Math › Algebra › PreAlgebra
How to solve "x% of what is ?" 
Percents  Problem 2
Math › Algebra › PreAlgebra
How to solve "What percent of x is ?" 
Proportions  Problem 1
Math › Algebra › Solving Equations
How to solve proportions when x is in the numerator. 
The Discriminant  Problem 2
Math › Algebra › Quadratic Equations and Functions
How to apply discriminants to word problems. 
The Discriminant  Concept
Math › Algebra › Quadratic Equations and Functions
How to calculate and interpret the discriminant of a quadratic equation. 
Composition of Functions  Problem 1
Math › Algebra 2 › Functions
How to calculate the composition of functions. 
The Discriminant  Problem 1
Math › Algebra › Quadratic Equations and Functions
How to interpret a discriminant that is larger than zero. 
Introduction to Parabolas  Concept
Math › Algebra 2 › Quadratic Equations and Inequalities
How to talk about a parabola. 
Polynomial Function  Concept
Math › Algebra 2 › Polynomials
How to evaluate a polynomial in function notation. 
Percents  Problem 1
Math › Algebra › PreAlgebra
How to solve "What is x percent of?" 
Function Notation  Problem 1
Math › Algebra 2 › Functions
How to evaluate an equation in function notation. 
The Ellipse  Concept
Math › Algebra 2 › Conic Sections
All about ellipses. 
Proportions  Problem 2
Math › Algebra › Solving Equations
How to solve proportions when one numerator is an expression with x.