• #### Finding Intercepts, Domain, Range and Vertex of a Parabola - Problem 3

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
Finding key features of a parabola from a quadratic equation using the quadratic formula to find irrational zeros
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• #### Finding Intercepts, Domain, Range and Vertex of a Parabola - Problem 5

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
Finding key features of a parabola from a quadratic equation that has imaginary solutions using the quadratic formula
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• #### Finding Intercepts, Domain, Range and Vertex of a Parabola - Problem 6

##### Math›Algebra 2›Quadratic Equations and Inequalities
Finding key features of a parabola from a quadratic equation that has integer solutions that can be found by factoring
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• #### Finding Intercepts, Domain, Range and Vertex of a Parabola - Problem 6

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
Finding key features of a parabola from a quadratic equation that has integer solutions that can be found by factoring
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• #### Definition of Inverse - Problem 1

##### Math›Algebra 2›Inverse, Exponential and Logarithmic Functions
How to find the domain and range of an inverse.
• #### Continuous Functions - Concept

##### Math›Calculus›Limits and Continuity
How to determine whether a function f(x) is continuous everywhere on its domain.
• #### Graphing Radical Equations using a Table - Concept

How to find the domain and graph radical equations.
• #### Multiplying and Dividing Rational Expressions - Problem 4

##### Math›Algebra 2›Rational Expressions and Functions
Identifying domain restrictions of rational expressions.
• #### Introduction to Rational Functions - Concept

##### Math›Precalculus›Polynomial and Rational Functions
How to define rational functions, and how to identify their domain and zeros.
• #### Graphs of the Sine and Cosine Functions - Problem 3

##### Math›Trigonometry›Trigonometric Functions
How to find the domain, range, period, amplitude, and x-intercepts of the sine and cosine graphs.
• #### Graphing Radical Equations using a Table - Problem 3

How to find the domain and graph radical equations with a dilation.
• #### Graphing Radical Equations using a Table - Problem 1

How to find the domain and graph radical equations with a horizontal shift.
• #### Graphs of the Sine and Cosine Functions - Problem 3

##### Math›Precalculus›Trigonometric Functions
How to find the domain, range, period, amplitude, and x-intercepts of the sine and cosine graphs.
• #### Definition of Inverse - Problem 5

##### Math›Algebra 2›Inverse, Exponential and Logarithmic Functions
Overview of the vocabulary of functions, including inverse, relation, function, input, output, and domain and range
• #### Graphing Radical Equations using a Table - Problem 2

How to find the domain and graph radical equations with both horizontal and vertical shifts.
• #### Finding an Inverse Algebraically - Problem 2

##### Math›Algebra 2›Inverse, Exponential and Logarithmic Functions
How to find the inverse of a function algebraically using a domain restriction.
• #### Relations and Determining Whether a Relation is a Function - Problem 1

##### Math›Algebra›Graphs and Functions
How to find the domain and range and determine whether a relation is a function when given a set of ordered pairs.
• #### Relations and Determining Whether a Relation is a Function - Problem 2

##### Math›Algebra›Graphs and Functions
How to find the domain and range and determine whether a relation is a function when given a mapping.
• #### Proving Two Functions are Inverses - Problem 3

##### Math›Algebra 2›Inverse, Exponential and Logarithmic Functions
How to use composition of functions to prove that two functions are inverses, including those with domain restrictions.
• #### Classification Overview

##### Science›Biology›Classification
An overview of Biology classification systems.