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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Bf, a Sse Building a General Quadratic Function

For Teachers 9th - 10th
This task is a followup to the one called 'Building an explicit quadratic function.' In this one, learners follow the same process with a general quadratic function. The operations take place in the opposite order and the goal is to find...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N cn.c.7 and a rei.b.4.a: Completing the Square

For Teachers 9th - 10th
The goal of this task is to solve quadratic equations with complex roots by completing the square. Aligns with N-CN.C.7 and A-REI.B.4.aI.