322 Videos for "x"

Finding an Inverse Algebraically  Problem 1
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
How to find the inverse of a function algebraically. 
Calculating Coordinates in the Unit Circle  Concept
Math › Geometry › Pythagorean Theorem
How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle. 
Graphing Lines using Intercepts  Problem 2
Math › Algebra › Linear Equations and Their Graphs
How to graph a line in slope intercept form using intercepts. 
Angle Bisectors and Opposite Side Ratios  Problem 2
Math › Geometry › Similarity
How to find a missing length, given the length of the opposite side in a triangle. 
Finding an Inverse Algebraically  Problem 3
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
Learn how to find the inverse of a linear function by switching x and y and then isolating y 
Applications of Linear Equations  Problem 3
Math › Algebra 2 › Graphs of Linear Equations
How to write equations for and graph word problems with a negative yintercept. 
Solving Quadratic Equations in Disguise  Problem 2
Math › Algebra 2 › Quadratic Equations and Inequalities
How to solve a quadratic by factoring out a negative power of x. 
Multiplying and Distributing Radical Expressions  Problem 2
Math › Algebra › Radical Expressions and Equations
How to distribute a radical expression. 
Calculating Coordinates in the Unit Circle  Problem 2
Math › Geometry › Pythagorean Theorem
How to find the coordinates on the unit circle, given an angle of 60 degrees. 
Locus and Definition of a Circle and Sphere  Problem 2
Math › Geometry › Circles
How to find the locus of points that are equidistant from the sides of an angle. 
Solving Multistep Equations  Problem 3
Math › Algebra › Solving Equations
How to solve multistep equations when x is in the numerator. 
Plotting Points and Naming Quadrants  Problem 3
Math › Algebra › Graphs and Functions
How to plot points when the x value is a fraction 
Dividing Radicals and Rationalizing the Denominator  Problem 2
Math › Algebra › Radical Expressions and Equations
How to rationalize denominators using the conjugate. 
Writing an Equation to Describe a Table  Problem 3
Math › Algebra › Graphs and Functions
How to write a function to describe a table when the x values are not consecutive. 
Integer Power Functions  Problem 3
Math › Precalculus › Polynomial and Rational Functions
How we graph a transformation of the odd power function y = x^3. 
Using the Inverse Trigonometric Functions  Problem 2
Math › Precalculus › Advanced Trigonometry
How to find an algebraic expression that is equivalent to sec2(tan1 x). 
Graphing Polynomial Functions  Problem 3
Math › Precalculus › Polynomial and Rational Functions
How we graph a factored quintic (5th degree polynomial) function. 
The Cosine Addition Formulas  Problem 2
Math › Precalculus › Advanced Trigonometry
How to derive the cosine of a sum formula and use it to find the cosine of an angle. 
Solving Trigonometric Equations  Problem 1
Math › Precalculus › Advanced Trigonometry
How to solve a simple cosine equation: cos x = ?2/2.