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- For a linear relation, the
first differences

represent $\cdots$?

- What is the value of the first differences for the relation $y=3x-3$?

- For a linear relation of the form $y=mx+b$, the first differences are always $\cdots$?

- For a linear relation, the rate of change represents $\cdots$?

- For a linear relation $y=mx+b$, the rate of change is $\cdots$?

- What is the rate of change for the linear relation $2x+3y-8=0$?

- If the rate of change for the linear relation $ax+2y-5=0$ is $7$, find the value of $a$.

- In a table of values for a linear relation, two coordinates are $(0,250)$ and $(500,260)$.
The rate of change in the dependent variable is $\cdots$?

- Two points in a table of values for a linear relation are $(0,50)$ and $(50,100)$. What is the rate of change
in the dependent variable?

- For what value of $k$ is the rate of change in the linear relation $y=2x+k$ equal to $2$?