Practice Test
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Let's graph using a table. First select some arbitrary values from the domain, then substitute them for x in the given equation. Solving for y will give us the corresponding values from the range.
x | y=x+2 | Simplify |
---|---|---|
-2 | y=-2+2 | y=0 |
0 | y=0+2 | y=2 |
2 | y=2+2 | y=4 |
Using these x and y values as (x,y) coordinate pairs, we can plot the points. Connecting these points will give us the graph of the equation.