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This Intercepts by Substitution: Finding a Linear Product Using a Quadratic interactive also includes:
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Discover another way to interpret multiplication. Using an interactive, learners slide points (representing the factors of multiplication) along the x-axis of the graph of y = x^2 and observe changes in the line segment connecting the function values. A set of challenge questions helps them see the product as the y-intercept of this line segment.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Use the resource as an extension activity for a lesson on quadratic graphs
Classroom Considerations
- Must set up a free CK-12 account
- Assumes scholars can apply the slope formula
Pros
- Provides review questions in the tutorial
- Includes hints for several challenge questions
Cons
- Information in tutorial does not match the interactive