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You Must Still Think Yourself, CAS Can Only Help

Have the class learn about and make conjectures about a line intersecting a cubic.  In this making conjectures about a line intersecting a cubic lesson, students draw lines that intersect a cubic at three different points.  Students determine the sum of the intersection points.  Students repeat the process for various cubics.  Students make a conjecture that the sum of the three x-values of the intersection points is always -a.

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CCSS: Designed
Resource Details

Grade
9th - Higher Ed
Subjects
Math
2 more...
Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
Technology
Calculator
Included Materials

  • You Must Still Think Yourself, CAS Can Only Help
  • Activity

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