1.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
2
+ 13
a
- 6
B.
15
a
+ 13
a
-6
C.
15
a
2
+ 13
a
+ 6
D.
15
a
2
- 5
a
- 6
Hint
2.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 13
y
+ 35
B.
12
y
2
+ 35
C.
12
y
2
– 43
y
+ 35
D.
12
y
2
– 43
y
- 35
Hint
3.
Find (3
x
+ 4)(5
x
2
– 4
x
+ 6).
A.
15
x
3
+ 32
x
2
+ 34
x
+ 24
B.
8
x
2
- 13
x
+ 24
C.
5
x
2
+
x
+ 10
D.
15
x
3
+ 8
x
2
+ 2
x
+ 24
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.
A rectangle has a base of 4
x
– 1 and a height of 3
x
+ 2. What is the area?
A.
12
x
2
– 5
x
+ 2
B.
12
x
2
+ 5
x
+ 2
C.
12
x
2
+ 5
x
– 2
D.
12
x
2
– 5
x
– 2
Hint