2:07Use circumference formula to show that two rational numbers isn't always a rational number.Kristen Reuter12 views·2 years ago
5:06What operations are closed with various kinds of number systems and polynomialsKristen Reuter334 views·2 years ago
3:22Find vertex of quadratic in factored form when you know the axis of symmetryKristen Reuter28 views·2 years ago
7:09Graph Quadratics using the 1, 3, 5 trick and where the trick comes fromKristen Reuter127 views·2 years ago