Unit 2 quiz

Question 1

Pythagorean triples with an odd shortest side (6 of them)

Answer 1

3,4,5
5,12,13
7,24,25
9,40,41
11,60,61
13,84,85

Question 2

Pythagorean triples with an even shortest side (5 of them)

Answer 2

8,15,17
12,35,37
16,63,65
20,99,101
20,21,29

Question 3

Rule of sides for 30º - 60º - 90º

Answer 3

shortest leg: x
longest leg: x√3
Hypotenuse: 2x

Question 4

Rule of sides for 45º - 45º - 90º

Answer 4

leg 1: x
leg 2: x
hypotenuse: x√2

Question 5

how many feet per mile

Answer 5

5280ft

Question 6

what are complimentary angles

Answer 6

angles that add to the initial angle to make 90º

Question 7

what are supplementary angles

Answer 7

angles that add to the initial angle to make 180º

Question 8

14^2

Answer 8

196

Question 9

15^2

Answer 9

225

Question 10

13^2

Answer 10

169

Question 11

12^2

Answer 11

144

Question 12

11^2

Answer 12

121

Question 13

√32 simplified

Answer 13

4√2

Question 14

√125 simplified

Answer 14

5√5

Question 15

reciprocal of 0

Answer 15

undefined

Question 16

reciprocal of 1/2

Answer 16

2

Question 17

reciprocal of √2/2

Answer 17

√2

Question 18

reciprocal of √3/2

Answer 18

2√3/3

Question 19

reciprocal of 1

Answer 19

1

Question 20

reciprocal of √3/3

Answer 20

√3

Question 21

reciprocal of √3

Answer 21

√3/3

Question 22

Sine (sin)

Answer 22

Opposite / hypotenuse

Question 23

Cosine (cos)

Answer 23

Adjacent / hypotenuse

Question 24

Tangent (tan)

Answer 24

Opposite / adjacent

Question 25

how to find perimeter of a sector

Answer 25

Diameter of circle times pi plus Diameter of circle times the fraction of the angle over 360º or 2π

Question 26

reciprocal of sine

Answer 26

csc - cosecant

Question 27

reciprocal of cosine

Answer 27

sec - secant

Question 28

reciprocal of tangent

Answer 28

cot - cotangent

Question 29

in quadrant I sin is ___ and cos is ___

Answer 29

positive, positive

Question 30

in quadrant II sin is ___ and cos is ___

Answer 30

positive, negative

Question 31

in quadrant III sin is ___ and cos is ___

Answer 31

negative, negative

Question 32

in quadrant IV sin is ___ and cos is ___

Answer 32

negative, positive