2, Lesson 19, Unit 4, Grade 8, EngageNY icon
Instructional Activity

Discussion

Lesson 19. Unit 4. Grade 8 EngageNY

EngageNY15 min(s)

This Instructional Activity is a part of the Lesson 19, Unit 4, Grade 8. Now that all of the necessary tools have been developed, we are ready to show that the graph of a linear equation in two variables in the form y = mx + b, where b is always a constant, is a non-vertical line. To prove that the graph of a linear equation is a line, we need to show the following: Any point on the graph of y = mx + b is a point on a line l, and any point on the line is a point on the graph of y = mx + b.

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