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Key Concepts Quiz 3.6
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3.6 Add and Subtract Polynomials
Adding Polynomials (17.0K)

1
Add: (6e – 5f) + (2e + 7f)
A)8e – 2f
B)8e + 2f
C)4e + 7f
D)8e + 7f
2
Add: (2r – 3s + 4t) + (4r + 3s – 5t)
A)6r – t
B)6r – 6s – t
C)2r – 6s + t
D)6r – 6s + t
3
What is the opposite of a3 – 2a2 + 3a – 1?
A)a3 + 2a2 + 3a + 1
B)a3 + 2a2 + 3a – 1
C)– a3 + 2a2 – 3a + 1
D)a3 – 2a2 + 3a + 1
4
Subtract: (3x – 7y) – (2x – 3y)
A)5x + 10y
B)5x – 4y
C)x + 10y
D)x – 4y
5
Subtract: (2p2 + 3p +1) – (p2 – 3p – 1)
A)p2
B)p2 + 6p + 2
C)3p2
D)3p2 – 6p – 2
6
Old Macdonald noticed that a pasture on his farm had a length that was 7 m more than twice the width w. A simplified expression for the length of fence required to enclose the pasture is
A)3w – 7
B)6w – 14
C)3w + 7
D)6w + 14





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