Fundamentals of Math - old

Fundamentals of Mathematics

Practice 4.4 1.

(3) = 15

3. ℎ(9) = 120 4. (−2) = 27

(−1) = −2

2.

Practice 4.5

1. 4 2 − 5 + 3 2. 20 2 + 37 + 8

3. 2 − 10 + 21 4. 2 2 + 3 − 5

Chapter 4 Practice Quiz 1. B 2. D

3. A 4. A

5. C 6. B

7. C 8. D

9. B 10. B

Chapter 5 Practice 5.1 1. 60° – acute triangle – equilateral triangle 2. 34° – obtuse triangle – scalene triangle 3. 45° – right triangle – isosceles triangle

4. 104° – obtuse triangle – isosceles triangle 5. 95° – obtuse triangle – scalene triangle

Practice 5.2 1. 5 2. 17

3. 10 4. 8

5. 24 6. 2

Practice 5.3 1. 8 cm 2

2. 10 cm 2

3. 16 cm 2

Practice 5.4 1. 30 in 2

3. 300 in 2 4. 22.5 m 2

5. 49 mi 2

2. 45.6 m 2

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