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# Unit 4: Module 4: Linear equations

2,800 possible mastery points
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## About this unit

"In Module 4, students use similar triangles learned in Module 3 to explain why the slope of a line is well-defined. Students learn the connection between proportional relationships, lines, and linear equations as they develop ways to represent a line by different equations (y = mx + b, y – y1 = m, etc.). They analyze and solve linear equations and pairs of simultaneous linear equations. The equation of a line provides a natural transition into the idea of a function explored in the next two modules." Eureka Math/EngageNY (c) 2015 GreatMinds.org

## Topic A: Writing and solving linear equations

### Practice

#### Quiz 1

Level up on the above skills and collect up to 480 Mastery points

## Topic B: Linear equations in two variables and their graphs

### Practice

#### Quiz 2

Level up on the above skills and collect up to 320 Mastery points

## Topic C: Slope and equations of lines

### Practice

#### Quiz 3

Level up on the above skills and collect up to 720 Mastery points

#### Quiz 4

Level up on the above skills and collect up to 720 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 2,800 Mastery points!