1.
Solve 7
y
+ 48 =
y
.
A.
-55
B.
55
C.
-8
D.
8
Hint
2.
Solve 75 - 9
h
= -20 + 10
h
.
A.
-5
B.
-55
C.
5
D.
55
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
+ 8 = 3
x
+ 9; 3
C.
4
x
+ 8 = 3
x
+ 9; 1
D.
4
x
+ 9 = 3
x
+ 8; -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.
2
x
+ 1 = 2
x
; 1
B.
8
x
+ 4 = 12
x
; 1
C.
8
x
+ 1 = 12
x
; 1
D.
8
x
+ 4 = 10
x
; 2
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
- 2; 5
B.
6
x
+ 18 = 10
x
+ 6; 6
C.
6
x
+ 18 = 10
x
- 6; 6
D.
12
x
+ 36 = 10
x
- 6; 21
Hint