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- Which of the following relations is linear?

- Which of the following relations is non-linear?

- If a relation is non-linear, then its graph is usually $\cdots$

- The shape of the graph of a non-linear relation, for example $y=x^2-2x-3$, is determined/controlled by $\cdots$?

- If an equation produces a linear graph, then the degree of the equation will be $\cdots$

- What do the graphs of $y=-2$ and $y=-4$ have in common?

- What do the graphs of $x=5$ and $x=11$ have in common?

- What is the degree of the variable $x$ in the equation $y=3x+2$?

- If a linear relation is written as $y=mx+b$, what are the roles of $m$ and $b$?

- The slope and the $y$-intercept of the linear relation $y=3x-5$ are $\cdots$ and $\cdots$, respectively?

- Identify the slope and the $y$-intercept of the line $y=4$.

- Identify the slope and the $y$-intercept of the line $x=5$

- If the equation $y=-2x+3$ is re-written in the general form $ax+by+c=0$, what are the values of $a,b$, and $c$?

- Re-write $3x-2y-6=0$ in the form $y=mx+b$

- Identify the slope and the $y$-intercept of the linear relation $2x-5y+10=0$