Plot points on a Cartesian plan using the table results and join the point.

We have the points $(0, 2)$, $(2, 4)$, and $(4, 6)$.
Let's find the change in $y$ ($\Delta y$) and the change in $x$ ($\Delta x$).
From $(0, 2)$ to $(2, 4)$: $\Delta x = 2-0 = 2$, $\Delta y = 4-2 = 2$.
From $(2, 4)$ to $(4, 6)$: $\Delta x = 4-2 = 2$, $\Delta y = 6-4 = 2$.
Since the change in $y$ is constant for a constant change in $x$, this is a linear relationship.

The slope $m = \frac{\Delta y}{\Delta x} = \frac{2}{2} = 1$.
The $y$-intercept ($c$) is the value of $y$ when $x=0$, which is 2.
So, the equation is $y = mx + c \implies y = 1x + 2 \implies y = x + 2$.

For $x=1$: $y = 1 + 2 = 3$.
For $x=3$: $y = 3 + 2 = 5$.

The completed table is:

The final answer for the completed table is:
$\boxed{ \begin{array}{|c|c|} \hline x & y \\ \hline 0 & 2 \\ \hline 1 & 3 \\ \hline 2 & 4 \\ \hline 3 & 5 \\ \hline 4 & 6 \\ \hline \end{array} }$

6.2.2 Plot points on a Cartesian plan using the table results and join the point.

To plot the points, you would mark the following coordinates on a Cartesian plane:

• $(0, 2)$
• $(1, 3)$
• $(2, 4)$
• $(3, 5)$
• $(4, 6)$

After plotting these points, you would draw a straight line connecting them. This line represents the graph of the equation $y = x + 2$.