Mathematics Education Complex Numbers lesson 1 – The imaginary number i By Magic Monk on Monday, April 29, 2019 In this lesson we discover the imaginary number i which is equal to the square root of negative 1. We then apply the imaginary number in solving equations involving the square root of a negative number. education mathematics steemiteducation steemstem Previous Post Next Post Related Posts Mathematics Education Vector applications question – Elastic collision, momentum, and kinetic energy Mathematics Education Vectors lesson 21 – Basic vector operations in Geogebra Mathematics Education Vectors lesson 20 – drawing vectors in Geogebra