Exam 5: Polynomials and Factoring

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Use a special product pattern to find the product (9x2+8)(9x28)\left( 9 x ^ { 2 } + 8 \right) \left( 9 x ^ { 2 } - 8 \right) .

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Solve the equation below by factoring. 14+13x3x2=0- 14 + 13 x - 3 x ^ { 2 } = 0

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Is the polynomial below a monomial, binomial, trinomial, or none of these? 4x34 x ^ { 3 }

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A closed rectangular box has dimensions of length n inches, width n+4 inches, and height n+6 inches. What is the volume if the shortest side is 7 inches long?

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Find the difference of the polynomials. +7+5x-7 - -3+2x+7

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Factor out the greatest common monomial factor from the polynomial 60t27560 t ^ { 2 } - 75 .

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Simplify the expression 56u9v958u9v3\frac { 5 ^ { 6 } u ^ { 9 } v ^ { 9 } } { 5 ^ { 8 } u ^ { 9 } v ^ { 3 } } . Assume that neither u nor v is zero.

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Find the difference (6x2+4x12)(4x3+2x212)\left( - 6 x ^ { 2 } + 4 x - 12 \right) - \left( 4 x ^ { 3 } + 2 x ^ { 2 } - 12 \right) .

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Factor out the greatest common monomial factor of the polynomial below, if one exists. 20x5y314xy2+8y220 x ^ { 5 } y ^ { 3 } - 14 x y ^ { 2 } + 8 y ^ { 2 }

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Simplify the expression. Assume that all variables represent positive integers. (xy+5)y5\left( x ^ { y + 5 } \right) ^ { y - 5 }

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Estimate the x -intercept from the graph below and solve for solutions of the polynomial equation when y=0y = 0 . y=x3x24x+4y = x ^ { 3 } - x ^ { 2 } - 4 x + 4  Estimate the x -intercept from the graph below and solve for solutions of the polynomial equation when  y = 0  .  y = x ^ { 3 } - x ^ { 2 } - 4 x + 4

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Use the rules of exponents to simplify the expression below. [(3x2)(3x)2(3x2)(3x)]3\left[ \frac { \left( 3 x ^ { 2 } \right) ( 3 x ) ^ { 2 } } { \left( - 3 x ^ { 2 } \right) ( 3 x ) } \right] ^ { 3 }

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Factor the polynomial 7x314x2y+2xy24y37 x ^ { 3 } - 14 x ^ { 2 } y + 2 x y ^ { 2 } - 4 y ^ { 3 } by grouping.

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Expand (x3)3( x - 3 ) ^ { 3 } and simplify.

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Factor the trinomial, if possible. 10x2+47xy+42y210 x ^ { 2 } + 47 x y + 42 y ^ { 2 }

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Factor the trinomial x2n5xn36x ^ { 2 n } - 5 x ^ { n } - 36 . (Assume that n represents a positive integer.)

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Simplify the expression (9x8)x4\left( - 9 x ^ { 8 } \right) x ^ { 4 } .

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Factor the expression below completely, if possible. x481y4x ^ { 4 } - 81 y ^ { 4 }

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Multiply the two polynomials using the FOIL Method. (x+15)(15x10)\left( x + \frac { 1 } { 5 } \right) ( 15 x - 10 )

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Find two integers c such that the trinomial x2+8x+cx ^ { 2 } + 8 x + c can be factored. (There are many correct answers.)

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