1.
Solve 7
y
+ 48 =
y
.
A.
-55
B.
55
C.
8
D.
-8
Hint
2.
Solve
k
=
k
-
.
A.
-2
B.
-
C.
D.
2
Hint
3.
Write an equation to find the value of
x
so that each pair of polygons has the same perimeter. Then solve.
A.
2
x
+ 4 = 3
x
+ 9; 5
B.
4
x
+ 9 = 3
x
+ 8; -1
C.
4
x
+ 8 = 3
x
+ 9; 3
D.
4
x
+ 8 = 3
x
+ 9; 1
Hint
4.
Write an equation to find the value of
x
so that each pair of regular polygons has the same perimeter. Then solve.
A.
8
x
+ 4 = 10
x
; 2
B.
8
x
+ 4 = 12
x
; 1
C.
8
x
+ 1 = 12
x
; 1
D.
2
x
+ 1 = 2
x
; 1
Hint
5.
Write an equation to find the value of
x
so that each pair of polygons has the same area. Then solve.
A.
6
x
+ 18 = 10
x
+ 6; 6
B.
12
x
+ 36 = 10
x
- 6; 21
C.
6
x
+ 18 = 10
x
- 6; 6
D.
6
x
+ 18 = 10
x
- 2; 5
Hint