Are Local Linear Approximation, Linear Approximation, and Linearization all the same thing? Question is, I learned about something called Local Linear Approximation in Calc 1. Now in Calc 2, the topic of Linearization from Calc 1 was mentioned. But I never did anything that was referred to as Linearization. The closest sounding topic was Local Linear Approximation. So are they the same exact topic just referred to with different names?