Then we quickly went over that a direct variation is a linear equation that goes through the origin and is in the form y = kx. k is called the constant of variation. We went through 3 equations to determine if they were direct variations.
Use the links below for more information on direct variation.
https://www.youtube.com/watch?v=nZOlvKCrfNg
https://www.youtube.com/watch?v=-uQbvcHEfWY
https://www.khanacademy.org/math/algebra/algebra-functions/direct_inverse_variation/v/direct-variation-1
HW: WS 2.2 both