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# Algebraic Functions

## Identify functions using coordinate pairs

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Vertical Line Test

by CK-12 //at grade
Learn how to determine whether or not a relation is a function.
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## Relations and Functions

This concept introduces students to relations and what makes a relation a function.
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## Algebraic Functions

by Ross Rosenthal //at grade
Determine if a given relation or graph is a function.
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## Algebraic Functions

by CK-12 //at grade
Determine if a given relation or graph is a function.
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## Vertical Line Test

by Susan Sudberry //basic
Learn how to determine whether or not a relation is a function.
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## Vertical Line Test

by Barbara Zingg //basic
Learn how to determine whether or not a relation is a function.
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## Vertical Line Test

Learn how to determine whether or not a relation is a function.
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## Vertical Line Test- 1

by Diana Johnson //at grade
Learn how to determine whether or not a relation is a function.
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• PLIX

## Algebraic Functions: Vertical Line Test

by CK-12 //at grade
Algebraic Functions Interactive
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• Video

## SAT Math (Algebra and Functions) - Practice 3.3

by CK-12 //at grade
Overview
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• Video

## Relations and Functions: A Sample Application

by CK-12 //at grade
This video demonstrates a sample application of relations and functions.
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• Video

## SAT Math (Algebra and Functions) - Practice 3.4

by CK-12 //at grade
Overview
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• Video

## Identifying Functions - Overview

by CK-12 //basic
Overview
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• Video

## Relations and Functions: An Explanation of the Concept

by CK-12 //at grade
This video provides an explanation of the concept of relations and functions.
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• Video

## Functions v. Relations - Overview

by CK-12 //basic
Overview
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• Video

## Algebraic Functions

by Kevin Cui //basic
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• Video

## Identifying Functions - Example 1

by CK-12 //basic
Determining Functions from a Table
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• Video

## Functions as Graphs

by CK-12 //basic
Explains how to apply the rules of functions to points and graphs on a coordinate plane.
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• Video

## Identifying Functions - Example 2

by CK-12 //basic
Determining Functions from a Mapping Diagram
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• Video

## More About Functions

by CK-12 //basic
Learn about the domain and range of functions as well as identifying independent and dependent variables. The vertical line test and definition of a function is also explained.
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• Video

## Functions v. Relations - Example 1

by CK-12 //basic
Determining Function v. Relation from Tables
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• Video

## Functions v. Relations - Example 2

by CK-12 //basic
Determining Function v. Relation from Graphs
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## Vertical Line Test Quiz

by CK-12 //basic
Quiz on Vertical Line Test.
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• 4
• Critical Thinking

## Vertical Line Test Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Vertical Line Test.
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• Real World Application

## Hospital Monitor

by CK-12 //at grade
Students research the purpose of hospital monitors and make connections to Algebraic functions and prove that they represent functions.
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• Study Guide

## Algebraic Functions

by Meera Santhanam //basic
This study guide reviews how to determine whether or not a graph is a function through fill in the blank questions and practice problems.
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