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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Writing a Function Rule

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Exercise 48 Page 267

Use the conversion factor that 1 kilometer is equal to 1000 meters.

9500m

Practice makes perfect

To convert kilometers (km) to meters (m) we need to create a conversion factor. We know that there are 1000 meters in 1 kilometer, which means we have the following conversion factor. 1000 m/1 km Multiplying 9.5 kilometers by this conversion factor will convert it to meters.

9.5 km* 1000 m/1 km

MoveLeftFacToNum

a*b/c= a* b/c

9.5 km* 1000 m/1 km

Cross out common factors

9.5 km* 1000 m/1 km

Simplify quotient

9.5 * 1000 m/1

a/1=a

9.5 * 1000 m

Multiply

9500 m

9.5 kilometers is equal to 9500 meters.

Subchapter links

Lesson Check p.264

Practice and Problem-Solving Exercises p.265-267

Standardized Test Prep p.267