TH87.4,7.5Name:______________________________________
DueNextClass
ForALLproblemsalwaysshowworkifpossible
1)(1pt)Simplify:
2)(1pt)Simplify:
1 1
−
v2 u 2
7 7
+
v u
1 9
14
+
+ 2
5 5x 5x
1 11 28
+
+
5 5x 5x 2
3)(1pt)(1pt)Simplify:
7+
4)(1pt)Simplify:
3
3
−
49 7x
x 1
−
49 x
1
v
1
−3
v
5x + 25
x
5)(1pt)Simplify: 10x + 20
3x
7mn 2
12x 3 y
6)(1pt)Simplify: 28n 4
3x 4 y 4
9
3v
5
7)(1pt)Writeasasinglefraction: 2
− 2
+ 2
v − 4v − 12 v − 3v − 18 v + 5v + 6 8)(1pt)
9)(1pt)
2
1
+ 2
3x − 8x − 3 3x + 7x + 2 2
4
6
−
3x − 5 5 − 3x 10)(1pt)
x + 1 2x − 4
−
x + 3 5x + 15