# Unit 3: Linear relationships

## Lesson 3: Representing proportional relationships

Practice
Graphing proportional relationshipsGet 3 of 4 questions to level up!
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## Lesson 4: Comparing proportional relationships

Practice
Rates & proportional relationshipsGet 5 of 7 questions to level up!
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#### Quiz 1

Level up on the above skills and collect up to 200 Mastery points

## Lesson 9: Slopes don't have to be positive

Practice
Intercepts from a graphGet 3 of 4 questions to level up!
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Slope from graphGet 3 of 4 questions to level up!
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Slope-intercept introGet 3 of 4 questions to level up!
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Graph from slope-intercept formGet 3 of 4 questions to level up!
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Slope-intercept equation from graphGet 3 of 4 questions to level up!
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## Lesson 10: Calculating slope

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Practice
Slope from two pointsGet 3 of 4 questions to level up!
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## Extra practice: Slope

#### Quiz 2

Level up on the above skills and collect up to 700 Mastery points

## Lesson 12: Solutions to linear equations

Practice
Solutions to 2-variable equationsGet 3 of 4 questions to level up!
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## Lesson 13: More solutions to linear equations

Practice
Complete solutions to 2-variable equationsGet 3 of 4 questions to level up!
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## Extra practice: Intercepts

#### Quiz 3

Level up on the above skills and collect up to 300 Mastery points
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#### Unit test

Level up on all the skills in this unit and collect up to 1200 Mastery points!