U6 Study Guide

Arc Length/Sector Area

100

Question 1 Exact and Approximate Arc Length

5/2 pi meters

7.85 meters

200

Question 1 Exact and Approximate Sector Area

15/4 pi square meters

11.78 square meters

300

Question 2 Exact and Approximate Arc Length

7/2 pi meters

11 meters

400

Question 2 Exact and Approximate Sector Area

21/4 pi square meters

16.49 square meters

500

Question 3 a and b

a. No (52.36)

b. Yes (785.4)

Surface Area and Volume

100

Question 5b

256/3 pi feet cubed

268.08 feet cubed

200

Question 6

36 pi feet squared

113.1 feet squared

300

Question 7a

96 pi meters cubed

301.59 meters cubed

400

Question 7b

96 pi meters squared

301.59 meters squared

500

Question 8

Yes (785.4)

Simplifying

100

Question 11

-7m-7

200

Question 12

3p³/2w⁴

300

Question 13

3x²+x-10

Factoring

100

Question 14

4xy(2x-3)

200

Question 15

(x-2)(x+6)

300

Question 16

(5x+2)(x+3)

400

Question 17

(x+10)(x-10)

500

Question 18

-2(x-1)(x+4)

Spiral

100

Question 19

59 degrees

200

Question 20

117.62 feet

300

Question 9

8

400

Question 10

-8