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Big Ideas Math: Modeling Real Life, Grade 7

BI

Big Ideas Math: Modeling Real Life, Grade 7 View details

Chapter Review

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Exercise 30 Page 174

The phrase greater than divides the sentence into what should be on the left-hand side and what should be on the right-hand side of the inequality.

w>- 3

Practice makes perfect

We want to write the word sentence as an inequality that it represents. A numberw is greater than - 3

Every inequality has an inequality symbol and values or expressions on either side of this symbol. In this exercise, we have the phrase greater than, so we can identify that the inequality symbol should be >. A numberw > - 3 On the left-hand side, we have one key phrase: a number w. These words correspond to arbitrary variable w. On the right-hand side, we have a constant. Putting these sides together, we have a complete inequality. A numberw is greater than - 3 w > - 3

Subchapter links

1 Solving Equations Using Addition or Subtraction p.173

2 Solving Equations Using Multiplication or Division p.173

3 Solving Two-Step Equations p.174

4 Writing and Graphing Inequalities p.174

5 Solving Inequalities Using Addition or Subtraction p.174-175

6 Solving Inequalities Using Multiplication or Division p.175

7 Solving Two-Step Inequalities p.175