McGraw Hill Integrated II, 2012
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McGraw Hill Integrated II, 2012 View details
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Exercise 3 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 - 3 y=-2x - 3
- 2 -2( - 2) - 3 1
- 1 -2( - 1) - 3 - 1
0 -2( 0) - 3 - 3
1 -2( 1) - 3 - 5

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