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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Samples and Surveys

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Exercise 49 Page 759

Are the variable terms all gathered on one side of the inequality?

b > 0.2

Practice makes perfect

Solving inequalities is done in the same way as solving equations, using inverse operations to isolate the variable. Just remember to reverse the inequality symbol when multiplying or dividing the inequality by a negative number.

2.7 + 2b > 3.4 - 1.5b

LHS+1.5b>RHS+1.5b

2.7 + 3.5b > 3.4

LHS-2.7>RHS-2.7

3.5b > 0.7

.LHS /3.5.>.RHS /3.5.

b > 0.2

This inequality tells us that all values that satisfy the inequality are greater than 0.2.

Subchapter links

Lesson Check p.756

Practice and Problem-Solving Exercises p.756-759

Standardized Test Prep p.759

Mixed Review p.759