Chapter 3.3 - Cramer's Rule
In this Cramer's rule instructional activity, students solve 4 problems in which they find the determinant. They then solve 8 more problems in which they use Cramer's Rule to solve each system of equations.
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Determinants and Cramer’s Rule
Practicing determinant calculations and their applications is the focus of this detailed skills practice learning exercise. A summary of steps at the beginning of each section keeps young mathematicians on track, while clear and simple...
10th - 12th Math CCSS: Adaptable
Imaginary Numbers Are Real (Part 3: Cardan's Problem)
Were complex numbers discovered or invented? A video presentation makes the case for the discovery of square roots of negative one. In order for complex numbers to be real, then they must behave like other numbers, which they do in terms...
5 mins 9th - 12th Math CCSS: Adaptable