Small-group support
The coefficient is the change in y for each increase of 1 in x.
In y = 4x + 2, what happens when x increases by 1?
The coefficient is the rate of change. The constant shifts every value but does not change how much y grows from one x to the next.
Problem 1 of 4. A short entry task, a model, guided examples, then a new independent try. Frames are optional.