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Name _____________________________

Date ___________________

Polynomials
(Answer ID # 0117639)
Add.

							6
											3
								10   -
						5
					11
								4	1
							2
						8	7
					9

 

down 1. (-17x7 + 4x6 - 4x4) + (-14x5 + 8x4) Answer: -17x7   +   ?6   -   14x5   +   4x4	down 2. (8x2 - 8x + 12) + (4x2 - 12x + 14) Answer: ?2   -   20x   +   26
down 3. (15x + 5) + (18x + 9) Answer: ?   +   14	down 4. (10x + 17) + (11x + 9) Answer: ?   +   26
down 5. (-8x2 + 6x + 4) + (18x2 - 4x - 14) Answer: 10x2   +   2x   -   ?	down 6. (-4x2 - 18x + 13) + (14x2 + 16x + 6) + (10x2 - 14x - 13) Answer: 20x2   -   16x   +   ?
across 2. (-10x2 + 8x + 5) + (11x2 - 19x + 7) Answer: x2   -   ?   +   12	across 3. (-7x3 - 15x + 18) + (9x6 - 6x5 - 8x) Answer: 9x6   -   6x5   -   7x?   -   23x   +   18
across 7. (-9x2 + 4x - 7) + (20x2 + 15x + 8) Answer: 11x?   +   19x   +   1	across 8. (18x2 + 13x + 5) + (17x2 + 19x + 17) Answer: 35x2   +   ?   +   22
across 9. (15x2 + 5x + 20) + (15x2 + 12x - 17) Answer: 30x2   +   ?   +   3	across 10. (-17x2 - 9x + 12) + (-5x2 - 15x + 16) Answer: ?2   -   24x   +   28
across 11. (-20x3 + 10x2) + (-15x6 - 7x2 - 8x) Answer: -15x6   -   ?3   +   3x2   -   8x

 

Answer Key

							6
											3
											3
								-	2	2	x
						1
					2	0	x
								2	4
							1	1	x
						3	2	x
					1	7	x

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