Texas Algebra 1, 2007
37

 PAGE: 298 SET: Exercises PROBLEM: 37
Please look in your text book for this problem Statement

The inequality .

(Product of two same signs is positive)

Apply subtraction property of inequality: Subtract 2.5 from each side.

(Apply additive inverse property: )

(Apply additive identity property: )

(Subtract: )

Graph the solution set on a number line.

Note: A circle means that this point is not included in the solution set.

Check:

To check, substitute a number greater than 5.6 in .

(Substitute  )

(Product of two same signs is positive)

The inequality is true.

The inequality solution is .

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