MTH 092 — Spring — 2005
Essex County College — Division of Mathematics
Quiz # 61— February 24, 2005
Name:
Signature:
Show all work clearly and in order, and box your final answers. Justify your answers algebraically
whenever possible. You have 20 minutes to take this 10 point quiz. No calculators or cellular
phones allowed.
1. Divide (simple): 3a2b−6ab2+ 9ab
3ab
Solution: 3a2b−6ab2+ 9ab
3ab =3a2b
3ab
−
6ab2
3ab +9ab
3ab =a−2b+ 3
2. Factor (GCF): 4x2y−12xy2+ 6xy
Solution: 4x2y−12xy2+ 6xy = 2xy (2x−6y+ 3)
3. Divide (long): 2y2
−5y+ 9
y−1
Solution: 2y2
−5y+ 9
y−1= 2y−3 + 6
y−1
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