symmetric about the x axis 83 videos
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Finding an Inverse Graphically
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to graph the inverse of a function using points.
finding an inverse graphically switch x and y flip over y=x -
The Discriminant
Algebra Quadratic Equations and Functions
How to calculate and interpret the discriminant of a quadratic equation.
discriminant x intercepts number of solutions -
The Reciprocal Transformation
Precalculus Polynomial and Rational Functions
How to graph the reciprocal of a linear function.
the reciprocal transformation x intercepts asymptotes -
The Definition of the Derivative
Calculus The Derivative
How to define the derivative of a function at a point x=a.
average rate of change slope secant line instantaneous rate of change tangent line limits derivative difference quotient -
The Derivative Function
Calculus The Derivative
How to define the derivative function f'(x).
derivative limits the derivative function -
Limits of Rational Functions
Precalculus Polynomial and Rational Functions
How to evaluate the limit of k/x^n as x goes to infinity (or negative infinity).
rational functions limits infinity -
Trapezoid Arch and Panel Design Problem
Geometry Polygons
How to strategize about solving a problem with trapezoidal arches.
trapezoid arch panel design interior angle equiangular polygon isosceles -
Finding an Inverse Algebraically
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to find the inverse of a function algebraically
finding an inverse one to one switch x and y -
Plotting Points and Naming Quadrants
Algebra Graphs and Functions
How to plot points and name quadrants.
origin quadrants rectangular coordinates Cartesian coordinates points axis -
Absolute Value Inequality Graphs in Two Variables
Algebra Absolute Value
How to solve and graph absolute value inequalities with x and y.
inequality absolute value graphing inequalities with two variables -
Limits at a Glance
Precalculus Polynomial and Rational Functions
How to quickly find the limit of a rational function as x goes to infinity.
rational functions polynomials degree limits infinity -
Continuous Functions
Calculus Limits and Continuity
How to determine whether a function f(x) is continuous everywhere on its domain.
limits definition of continuous function domain of a function power functions exponential functions logarithmic functions -
Concavity and Inflection Points
Calculus Applications of the Derivative
How to show that a function is discontinuous at a point x=a because it is not defined there.
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Coin Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems about values and number of coins.
coins system of equations substitution -
Age Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems about the ages of two people.
age system of equations substitution -
Applied Linear Equations: Tax Problem
Algebra 2 Linear Equations
How to solve a word problem about finding the tax on a purchase.
word problem tax -
Applied Linear Equations: Tax Problem
Precalculus Linear Equations and Inequalities
How to solve a word problem about finding the tax on a purchase.
word problem tax -
1/16 of Your Blood
AP US History AP US History Videos
Discover how race is a social construction, and learn about the legacy of slavery.
Early Republican period slavery Dred Scott case 3/5 compromise Douglass jazz blues -
Polynomial Function
Algebra 2 Polynomials
How to evaluate a polynomial in function notation.
function notation f(x) polynomial constant linear quadratic cubic
