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March 5, 2015

March 5, 2015

Posted by **cristale** on Saturday, November 28, 2009 at 7:33am.

o If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?

o Write an inequality and provide a value that may or may not be a solution to the inequality. Consider responding to a classmate by determining whether or not the solution provided is a solution to the inequality. If the value he or she provides is a solution, provide a value that is not a solution. If the value is not a solution, provide a value that is a solution.

- Math -
**Writeacher**, Saturday, November 28, 2009 at 9:09amAssistance needed.

Please type your__subject__in the**School Subject**box. Any other words are likely to delay responses from a teacher who knows that subject well.

- inequalities -
**MathMate**, Saturday, November 28, 2009 at 9:35ama.

To solve 3x>3, proceed to solve 3x=3 to get x=1.

Examine the inequality, if x=1+something, would the inequality be satisfied? If so, as in the case of the example, then you conclude that the solution is x>1.

The above method is true for linear relations. For non-linear relations, such as x²+4x+4>0, the method will not work.

b.

If the inequality is given as ≤ or ≥, then the solution with the equality sign will satisfy both the equation and the inequality.

c.

Make an example, and post your results if you would like a check.

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