Constant of proportionality from table (Full video)

Khan Academy

Supporting grades: 7

Description: Sal identifies the constant of proportionality from table Find the constant of proportionality, r, in the equation y is equal to r times x. All right so we wanna find the constant, the constant of proportionality, I sometimes have trouble saying that, r, where if I for any x, if I multiply it by r I get y. Well we just have to look at each of these x's and figure out well what are we multiplying by to get to y.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.