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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Adding and Subtracting Real Numbers

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Exercise 14 Page 34

From the starting point of - 6 on a number line, move 9 units in the positive direction.

3

Practice makes perfect

We can use a number line to determine the sum - 6+9. Starting at - 6 on a number line, we will move 9 units to the right. This is nine units in the positive direction.

Thus, - 6+9=3.

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36