McGraw Hill Integrated II, 2012
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McGraw Hill Integrated II, 2012 View details
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Exercise 2 Page 91

Substitute some arbitrary values of x into the given equation.

Practice makes perfect
To draw the graph of the given equation, we will use a table of values. Substituting some arbitrary values of x into the given equation will give us the corresponding y-values.
x 2x + 2 y=2x + 2
- 2 2( - 2) + 2 - 2
- 1 2( - 1) + 2 0
0 2( 0) + 2 2
1 2( 1) + 2 4

Now, let's plot these ( x, y) coordinate pairs and connect them with a straight line.