1.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
2
- 5
a
- 6
B.
15
a
2
+ 13
a
- 6
C.
15
a
+ 13
a
-6
D.
15
a
2
+ 13
a
+ 6
Hint
2.
Find the area of the parallelogram.
A.
(36
a
2
+ 49
b
2
) cm
2
B.
(36
a
2
- 49
b
2
) cm
2
C.
(36
a
2
- 84
a
b
- 49
b
2
) cm
2
D.
(12
a
2
+ 14
b
2
) cm
2
Hint
3.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 13
y
+ 35
B.
12
y
2
– 43
y
+ 35
C.
12
y
2
– 43
y
- 35
D.
12
y
2
+ 35
Hint
4.
In a tessellation, the sum of the measures of the angles of the polygons surrounding a point (at a vertex) is________.
A.
90
B.
360
C.
720
D.
180
Hint
5.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
x
2
+
x
– 3
B.
5
x
2
+ 7
x
– 3
C.
6
x
2
+ 7
x
– 3
D.
3
x
2
+
x
Hint