Use a vertical format to add the polynomials.2x
9 + 2x
8 + 2x
7 + 1
A. 5x9 + 5x8 - 7x7 + 11
B. 11x9 + 6x8 - 2x7 - 8
C. 15x48 - 8
D. 11x18 + 6x16 - 2x14 - 8
Answer: B
Mathematics
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Perform the indicated operations.
- 
A. -2 B. 2 C. -6 D. 6
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Simplify the expression.
- 
+ 
A. -1
B. 
C. 1
D. 
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Between the pair of numbers, insert the appropriate sign: <, =, or >.9
9
A. > B. = C. <
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Expand.
4
A. x2 - 4x + 6 - 4x-1 + x-2 B. x2 + 4x + 6 + 4x-1 - x-2 C. x2 + 4x - 6 + 4x-1 - x-2 D. x2 - 4x - 6 - 4x-1 + x-2
Mathematics