Math Test 3 For Spring 2009 - Mat 1101 Discrete Mathematics For Computing, Augusta Technical College Page 2

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Factor the following completely:
3
4
5
6
4
5
2
2
17) 12x
y
+ 36x
y
+ 48x
y
18) x
– 12x – 28
19) x
– 64
3
2
2
20) 12x
– 6x
+ 10x – 5
21) 2x
– 7x – 30
2
2
2
4
12
6
6
6
+
+
x
x
x
x
x
x
22) Simplify:
23) Multiply and simplify:
2
3
6
2
3
2
+
x
x
x
x
2
2
2
4
3
+
+
x
x
x
24) Divide and simplify:
25) Add and simplify:
÷
+
2
3
5
3
4
+
+
+
x
x
x
x
x
6
8
26) Subtract and simplify:
27) Solve the inequality: 3 < 2x – 8 < 10
3
3
+
x
x

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