Question 1
A
Questions 12d and 12f
d) plane CNX, plane ANM
*can't use 3 points that are collinear
f) NM, NC, NR, etc.
*make sure you have an arrow pointing to the right over your letters
Question 46
ABCD is congruent to HEFG
corresponding sides and angles are all congruent
Question 64a
88 degrees
Question 72
center: (-5,-8)
radius = 15
Question 3
A
Question 15
x=5
Question 52
a) reflection
b) rotation
c) translation
Question 65a
C=16pi or 50.3 mm
Question 76
C
Question 5
i) 25/28
ii) 3/7
iii) 3/28
iv) 53/140
Question 19
64 degrees
Question 50
Translations
Reflections
Rotations
Question 68
x=146.4 in.
Question 75a
(x-2)2+(y-4)2=9
center: (2,4)
radius = 3
Question 6
i) 17/44 or .39
ii) 3/16 or .19
iii) 2/13 or .15
iv) 25/44 or .57
v) 2/11 or .18
Question 25
55 miles
Question 54b
Rotate 90 degrees counterclockwise OR 270 degrees clockwise
(x,y) --> (y,-x)
Question 64c
measure of angle JLK = 55 degrees
measure of angle JIK = 110 degrees
Arc JL = 60 degrees
Question 74
Outside
5>4
Question 9
a) 24.5
b) 10.7
c) 79.5
d) 32.1
e) mean and standard deviation increase
Question 42
length of ramp = 41 in.
base of ramp = 39.3 in.
Question 53a
x' (-3,1)
w' (-1,0)
v' (0,4)
Question 69
b) A=180.96 ft2
Question 77
y-4=4/3(x+4)
or
y=4/3x+28/3