This is done by first multiplying each side of the first equation by Then solve the system. These values are arbitrary. For example, 5,3. To graph a linear inequality: Step 1 Replace the inequality symbol with an equal sign and graph the resulting line.

Second, from the point on the x-axis given by the first number count up or down the number of spaces designated by the second number of the ordered pair.

Again, in this table wc arbitrarily selected the values of x to be - 2, 0, and 5. The slope from one point on a line to another is the ratio. Solution We first make a table showing three sets of ordered pairs that satisfy the equation. Note that each term must be multiplied by - 2.

To do this, however, we must change the form of the given equation by applying the methods used in section Once it checks it is then definitely the solution. This is called an ordered pair because the order in which the numbers are written is important.

The slope indicates that the changes in x is 4, so from the point 0,-2 we move four units in the positive direction parallel to the x-axis.

Verify that the inequality holds.

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