This Instructional Activity is a part of the Lesson 18, Unit 4, Grade 8. Students graph equations in the form of y = mx + b using information about slope and y-intercept point. Students know that if they have two straight lines with the same slope and a common point, the lines are the same. The Opening Exercise requires students to examine part from the Problem Set.
Other Instructional Activities related to this standard
Instructional ActivitySimilar Triangles on the Same Line
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Instructional ActivityMultiple Lines with the Same Slope
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