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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Geometric Sequences

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Exercise 34 Page 311

Start by finding a common ratio.

24 576 square units

Practice makes perfect

Using the given information about a graphing calculator screen, we will make a table and check if there is a common ratio. Let x and y represent the number of zoom outs and the area displayed on the screen, respectively.

We see that there is a common ratio of 4. We want to find the area when we zoom out four times. To do so, we will multiply the area after the second zoom by 4 for each round.

From the table, we see that the screen area is 24 576 square units after the fourth zoom.

Subchapter links

Communicate Your Answer p.305

Monitoring Progress p.306-309

Exercises p.310-312