Chapter 9: Problem 74
What does it mean if a system of linear inequalities has no solution?
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Chapter 9: Problem 74
What does it mean if a system of linear inequalities has no solution?
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How do you determine if an ordered pair is a solution of an inequality in two variables, \(x\) and \(y ?\)
Solve each inequality using a graphing utility. Graph each side separately. Then determine the values of \(x\) for which the graph on the left side lies above the graph on the right side. $$-3(x-6)>2 x-2$$
$$\text { Factor: } 25 x^{2}-81$$
Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. The absolute value of any linear expression is greater than 0 for all real numbers except the number for which the expression is equal to \(0 .\)
Will enable you to review graphing linear functions. In addition, they will help you prepare for the material covered in the next section. In each exercise, graph the linear function. $$f(x)=-\frac{2}{3} x \text { or } y=-\frac{2}{3} x(\text { Section } 3.4, \text { Example } 4)$$
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