Writing inequalities algebra Absolute value inequalities Video transcript A carpenter is using a lathe to shape the final leg of a hand-crafted table.

What happens if we multiply both numbers by the same value c?

The exercise below will let us find out. On this number line, points B and A are our original values of 2 and 5. The inequality has been maintained. This is written formally as: If we take the same two numbers and multiply them by The resulting value of AC This pattern holds true for all inequalities—if they are multiplied by a negative number, the inequality flips.

The Division Properties of Inequality work the same way. If we divide both sides by a positive number, the inequality is preserved. To put it mathematically: If we divide both side of an inequality by a negative number, the inequality is reversed.

What relationship would she expect to see between the two stocks at the end of Tuesday? The stocks were not worth the same amount in the beginning, so if each stock loses half its value, the new values will not be equal either.

For example, here is a problem where we can use the Subtraction Property to help us find a range of possible solutions: In 7 years, Ellie will be old enough to vote in an election.

You must be at least 18 years old to vote. What can you say about how old she is now? We could write this inequality as: We can then use the Subtraction Property of Inequality to solve for e.Solving Word Problems in Algebra Inequality Word Problems.

Think about others ways you might use inequalities in real world problems. I'd love to hear about them if you do!

Solve. Write your answer in a complete sentence. Check or justify your answer. Equations and Inequalities Involving Signed Numbers. In chapter 2 we established rules for solving equations using the numbers of arithmetic.

Now that we have learned the operations on signed numbers, we will use those same rules to solve equations that involve negative numbers. The other case for absolute value inequalities is the "greater than" case. Let's first return to the number line, and consider the inequality | x | > The solution will be all .

Learn how to solve linear inequalities with a single variable. For example, solve -3(x+1)>2x Learn how to solve compound inequalities. For example, solve 2x+1>3 AND -x High School Math Solutions – Inequalities Calculator, Quadratic Inequalities. We’ve learned how to solve linear inequalities. Now, it’s time to learn how to solve quadratic inequalities.

Solving Read More. High School Math Solutions – Inequalities Calculator, Rational Inequalities. Absolute value inequalities word problem. This is the currently selected item. they want us to write an absolute value inequality that models this relationship, and then find the range of widths that the table leg can be.

So let's solve each of these. If we add to both sides of these equations, if you add and we can actually.

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Inequalities Calculator - Symbolab