# What's the Equation? No Prep Inquiry PowerPoint Graph Activity

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Resource Types
Common Core Standards
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Lesson Objective: Students will relate individual points to equations. They will create equations to satisfy requirements. They will experiment with linear, quadratic, and absolute value equations and the related graphs.

Task: In each “mystery,” students try to guess what equation made the points on a graph. Three points will be revealed (on the powerpoint). When the first point is revealed, students create equations that could have produced that point. When the second point is revealed, students again think of any equations that will work. When the third point is revealed, students try to come up with the mystery equation. With each point, the solution possibilities will be fewer and fewer. 5 mysteries are included. Solutions are revealed after each mystery.

Lesson Guide includes different options for individual work or group work.

You will receive the powerpoint that has the "mystery" problems.
You will receive a PDF of the lesson guide and optional handouts.

Standards:
HSA.CED.A.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.
HSA.REI.D.10 Understand that the graph of an equation in two variables is the set of all its solutions plotted in the coordinate plane, often forming a curve (which could be a line).
HSF.BF.A.1 Write a function that describes a relationship between two quantities.

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Teaching Duration
1 hour

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