# Linear equations and functions

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Take Quiz 1 to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.

Lessons

Graphing proportional relationshipsSolutions to linear equationsQuiz 1InterceptsSlopeQuiz 2Intro to slope-intercept formGraphing slope-intercept formWriting slope-intercept equationsQuiz 3Functions & function notationLinear modelsComparing linear functionsConstructing linear models for real-world relationshipsRecognizing functionsLinear and nonlinear functionsQuiz 4Unit testPractice

Quizzes

Unit test

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Rates & proportional relationships

7 questions

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Graphing proportional relationships

4 questions

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Slope from graph

4 questions

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Slope from two points

4 questions

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Slope from equation

4 questions

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Slope-intercept equation from graph

4 questions

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Slope-intercept from two points

4 questions

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Evaluate functions

4 questions

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Evaluate functions from their graph

4 questions

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Function rules from equations

4 questions

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Linear equations word problems: graphs

4 questions

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Linear equations word problems

4 questions

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Linear models word problems

4 questions

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Compare linear functions

4 questions

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Comparing linear functions word problem

4 questions

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Graphing linear functions word problems

4 questions

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Writing linear functions word problems

4 questions

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Recognize functions from tables

4 questions

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Recognize functions from graphs

4 questions

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Test your understanding of

**Linear equations and functions**with these 15 questions.About this unit

Linear equations like y = 2x + 7 are called "linear" because they make a straight line when we graph them. These tutorials introduce you to linear relationships, their graphs, and functions.