Which could be the first step in solving the equation represented by the model below? 3 x tiles and 4 negative 1 tiles = 2 x til
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See the attached picture.
In order to make a table, we sample some x values (whichever we want), and we compute the expression for those value. Each x value will yield a unique y value.
If you need this table to graph the function, you'll only need two points, since this is a line, and having two points you just need to connect them.
Here are some samples, feel free to make more if you need to:
So, we have the following table