Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 310016: I am suppose to determine whether each exppression is polynomial. Then if so, to classify the polynomial by degree and by number of terms. I have no idea what I am suppose to do. For example 3x^2+2x+1 6/x^2 + 2/x - 3 Click here to see answer by stanbon(57226)

 Question 310112: Factor: 2xy + 6x - 4y - 12 a)(2x - 4) (y - 3) b)(2x - 4) (y + 3) c)(2x - 4) (y + 3)^2 d)(2x + 4) (y + 3) I think the answer is b Click here to see answer by checkley77(12569)

 Question 310125: what are the factors of the following trinomial? 16y^2 - 12y + 2 a)(2y - 1) (8y + 2) b)(8y - 1) (2y - 2) c)(16 - 1) (y - 2) d)(4y - 1) (4y - 2) Thanks Click here to see answer by Alan3354(30970)

 Question 280398: Jack usually mows his lawn in 3 hours. Jill can mow the same yard in 4 hours. How much time would it take for them to mow the yard together? Click here to see answer by J.A.Romero(2)

 Question 310274: if x+y = 3 and x^2-y^2 = 6 what is the value of the reciprocal of 1/(x-y) a 1/6 b 1/3 c 1/2 d 2 e 3 Click here to see answer by Edwin McCravy(8880)

 Question 310389: hi,I would like help with this equation, / Click here to see answer by PRMath(123)

 Question 310385: Hi,I am having a hard time with this equation and would like some help./ Click here to see answer by PRMath(123)

 Question 310451: 4x3 + 2x2 - 6x + 1 when x = 2 Evaluate the polynomial for the value indicated. Click here to see answer by stanbon(57226)

 Question 310453: 7x to the 2nd power plus 6x to the 2nd power Click here to see answer by stanbon(57226)

 Question 310462: which is the correct factorization of -45x^2 +150x-125? Click here to see answer by JBarnum(2044)

 Question 310459: 5p3 - 12p2 + 4p3 - 7 - 4p2 + 3 Write the polynomiials in standard form/ Click here to see answer by JBarnum(2044)

 Question 310437: a^2-b^2 x ab^2 _______ _____ a^4 b 3a+3b I'm not quite sure how to solve these completely. I get to a certain point where I can no longer know what to do. Please help! Oh and the x is mulitplying, it's not a variable. Click here to see answer by Alan3354(30970)

 Question 310613: I have a problem with a long division equation, help X^3-5X-7/x+3 Click here to see answer by nyc_function(2733)

 Question 310679: I need to solve this equation: 3/x+2=(7/3x+6)+ (1/x-4) Click here to see answer by Fombitz(13828)

 Question 310687: HI,I WOULD LIKE SOM HELP WITH THIS PROBLEM: Click here to see answer by solver91311(16868)
 Question 310687: HI,I WOULD LIKE SOM HELP WITH THIS PROBLEM: Click here to see answer by Edwin McCravy(8880)

 Question 310468: simplify : (4j to the 4th power plus four)-(8j minus 6)+ (7j to the fourth power plus 4j) Click here to see answer by ankor@dixie-net.com(15628)

 Question 310805: Factor completely if a polynomial is prime state this. 6r2-rs-15s2 Click here to see answer by scott8148(6628)

 Question 310798: Factor completely ,if a polynomial is prime ,state this x2y2+6xy-16 Click here to see answer by scott8148(6628)

 Question 310802: The area of a rectangle is 72 in^2. The width is 6 inches greater than the length. Which expression represents the width? a) w = 1 * 6 b) w = 1 + 6 c) w = 1 - 6 d) w = 6 - 1 Click here to see answer by mollukutti(30)

 Question 310901: Multiplication problem to be solved 4x^2 * 4x^3 = ? Click here to see answer by mananth(12270)

 Question 310938: A pine cone falls from a tree branch that is 144 feet above the ground. After how many seconds does the pine cone land on the ground ? Click here to see answer by Edwin McCravy(8880)

 Question 310913: Which polynomial cannot be factored? A c^2 - 3c - 10 B x^2 - 11x + 10 C b^2 - b - 12 D y^2 - 9y + 15 E 2x^2 + 5x + 3 Click here to see answer by Edwin McCravy(8880)

 Question 310924: how would you do this problem using foil or box technique multiplying these problems (x+6)(x-2) (3x-2)(-x+4) thank you for the help Click here to see answer by Fombitz(13828)

 Question 310988: Two negative, even consecutive integers have a product of 224. Find the smaller integer. a) -12 b) -14 c) -16 d) -18 Click here to see answer by Fombitz(13828)