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Name _____________________________

Date ___________________

Polynomials
(Answer ID # 0180932)
Complete the puzzle.

			4	3					11
	14   -	2							10
							12
		1				17
	5
										6
										15
13
		9	8								7
		16					18

 

down 1. Use FOIL. (3x + 11) (2x + 8) Answer: 6x?   +   46x   +   88	down 2. Use FOIL. (8x + 12) (2x + 11) Answer: 16x2   +   ?   +   132
down 3. Divide. (117x4 + 81x3 + 144x) ÷ 1404x Answer: x3 12   +   ?2 52   +   4 39	down 4. Solve by factoring. 49x2 - 140x + 100 = 0 Answer: (7x - ?)(7x - 10) x =    1 3 7
down 5. Factor out the GCF from each polynomial. 2x3 + 10x2 Answer: 2x2(x + ?)	down 6. Add. (20x2 + 14x + 12) + (19x2 + 20x + 12) Answer: ?2   +   34x   +   24
down 7. Write each polynomial as the product of two binomials. -8(9x - 11) + 7x(9x - 11) Answer: (7x - 8)(9x - ?)	down 8. Divide. (24x4 + 32x3 + 32x2) ÷ 4 Answer: ?4   +   8x3   +   8x2
down 9. Multiply. (11x6 - 7x4) (9x - 5) Answer: ?7   -   55x6   -   63x5   +   35x4	down 10. Write each polynomial as the product of two binomials. -7(5x + 7) + 4x(5x + 7) Answer: (? - 7)(5x + 7)
down 11. Multiply. (8x + 7) (12x) Answer: 96x2   +   ?	down 12. Multiply. (10x) (11x + 7) Answer: 110x2   +   ?
down 13. Multiply. (-10x2 - 11x - 12) (9x + 2) Answer: -90x3   -   ?2   -   130x   -   24	across 1. Add. (11x + 16) + (8x + 6) Answer: 19x   +   ?
across 4. Add. (9x + 4) + (16x + 9) Answer: 25x   +   ?	across 5. Subtract. (8x2 + 18x + 15) - (19x2 + 13x + 5) Answer: -11x2   +   ?   +   10
across 6. Divide. 45x4 15x4	across 7. Factor completely. x2 - 9x - 10 Answer: (x + ?)(x - 10)
across 10. Divide. (72x4 + 60x2 + 96x) ÷ (-12) Answer: -6x?   -   5x2   -   8x	across 12. Subtract. (20x + 11) - (8x + 4) Answer: 12x   +   ?
across 14. Subtract. (7x + 18) - (17x + 5) Answer: ?   +   13	across 15. Factor completely. 4x2 - 36xy + 81y2 Answer: (2x - ?)(2x - 9y)
across 16. Factor completely. 81x2 - 126x + 49 Answer: (? - 7)(9x - 7)	across 17. Use FOIL. (3x + 6) (4x + 10) Answer: 12x2   +   54x   +   ?
across 18. Write each polynomial as the product of two binomials. (x + 1)-9 + x(x + 1) Answer: (x - ?)(x + 1)

 

Answer Key

			1	3					8
	-	1	0	x					4
		1					7		x
		2	2			6	0
	5	x					x
										3
										9	y
1										x
1
9
x
		9	6								1
		9	x				9				1
		x

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