Linear & nonlinear functions: missing value (Full video)

Khan Academy

Supporting grades: 8

Description: Learn to find the missing value in a table to make sure it represents a linear equation. Created by Sal Khan. So let's see this table right over here. Well looks like y increased by 3 and 1/2 is the same thing as 1 and 1/2. So in order for this to be a linear equation or a linear relationship, every time we increase by 1 in the x direction, we need to increase by 3/2.

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