Pearson Algebra 2 Common Core, 2011
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Pearson Algebra 2 Common Core, 2011 View details
2. Properties of Real Numbers
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Exercise 34 Page 15

Notice that the numbers have different signs.

12>-sqrt(150)

When comparing numbers, it is best to first ensure that they are as similar as possible. In this exercise, we are given a whole number and a negative root.

12, -sqrt(150) In this case, even though we do not know the exact value of -sqrt(150), we can say it is less than 0, because it is negative. 12> 0 >-sqrt(150) ⇓ 12 > -sqrt(150) Therefore, 12 is greater than -sqrt(150).