# 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 393139: Identify the type of function represented by y=(x+1)^2-4 Click here to see answer by Alan3354(30993)

 Question 393046: The linear factorization of f(x) = x^3-10x^2+44x-69 is: ? Click here to see answer by Alan3354(30993)

 Question 393298: Use the Binomial Theorem or Pascal's Triangle to expand each binomial. 35. (x + y)^4 36. (4 – 3x)^3 Click here to see answer by rfer(12678)

 Question 393464: what is the step by step process of solving this polynomial by factoring? 27x^3+125=0 Click here to see answer by Earlsdon(6291)

 Question 393582: The volume of a rectangular solid is 12n^3+8n^2-3n-2. The length of the solid is 2n+1 and the width is 2n-1. Find the height. Click here to see answer by robertb(4012)

 Question 393746: i need help trying to understand how to add and subtract rational expressions. Our class is online so they dont really have any realiable teaching techniques. if you could give me a basic idea i would greatly appreciate it. Click here to see answer by stanbon(57424)

 Question 393794: This question is in relation to previous questions 365565 and 110190. In those questions, the person asks: ------- Solve for r v=1/3pi*H^2(3r-H) Volume of a spherical cap, as found/derived in many places on the internet. ------- Well I can solve for r. The problem I am having is solving for H. If anyone can help me, I would appreciate it. Thanks. Click here to see answer by stanbon(57424)

 Question 393917: I'm trying to help my daughter with her math homework over the phone. This is her word problem. I think I'm just missing a simple velocity equation. Cliff Fiver jumps from a ledge 96 ft above the ocean with initial upward velocity of 16 ft/sec. How long will it take until the diver enters the water? Click here to see answer by solver91311(16897)

 Question 393949: Can somebody nswer this question its easy well not 4 me i'm in 7th grade S=C+xC solve each equation for x Click here to see answer by Edwin McCravy(8924)

 Question 393998: How do you simplify an equation like: . Click here to see answer by Earlsdon(6291)

 Question 394060: what is the product of the polynomial x(2x2(squared)-3x+9) Click here to see answer by stanbon(57424)

 Question 394063: The perimeter of a rhombus is 12x+28 feet. Factor this expression. Then find the length of one side if x=8. Click here to see answer by pie90010(44)

 Question 393979: Can't do this one. Thanks for the help! Write a polynomial function in standard form that has the given zeros and has a leading coefficient of 1 for: -2, 4+i Click here to see answer by robertb(4012)

 Question 394119: Is this correct? Find the missing factor: 6x^4=(3x^2)(?) I got for the answer: 2x^2 Click here to see answer by robertb(4012)

 Question 394181: Carry out the following divisions and also write each in the form P(x)=D(x)Q(x)+R(x): Thank you :) Click here to see answer by Edwin McCravy(8924)

 Question 394193: y(y-7)=18 y^2-7y+18=0 from here I couldn't get the middle term I tried(y-9)(y-2) which is -11; (y-2)(y-9)and got-11 again;(y-18)(y-1)and got-17;(y-1)(y-18)and got -17 again--my book says the answers are -2,9 but I can't get the middle term to break up the equations into the two problems that are needed to get the -2 and 9 Click here to see answer by stanbon(57424)

 Question 394189: the stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. if a car is traveling 80 mph can stop in 360 ft, how many feet will it take the same car to stop when it is traveling 20 mph? Click here to see answer by TeishaRenee(14)

 Question 394277: Write the polynomial function in standard form. Then classify it by degree and by the number of terms. f(r) = 5r + 7 + 2r2 Click here to see answer by TeishaRenee(14)

 Question 394299: Write the equation of the line that includes each pair of points or matches each description... (5,2) (-3,-4) Click here to see answer by ewatrrr(10682)

 Question 394359: The midpoint of XY is point M(—12, 5). If the coordinates of X are (3, —3), what are the coordinates of Y ? Click here to see answer by stanbon(57424)

 Question 394399: Factor the expression by grouping. A step by step and explanation would be greatly appreciated. 24q^7 – 42q^4r + 36q^3r^2 – 63r^3 Click here to see answer by jim_thompson5910(28598)

 Question 394452: hi im tayshia i want to know how can i solve that problem.5+2 over p = 17 0ver p Click here to see answer by mananth(12270)

 Question 394476: Foil (7x^4-8)(x^8-1) I do not understand what to do with the (7x^4)*(x^8) 7x^4*-1=-7x^4 -8*x^8=-8x^8 -8*-1=8 Click here to see answer by Alan3354(30993)

 Question 394544: I am having trouble coming up with a solution for 5x^3-50x^2=0 It is supposed to be solved by factoring Click here to see answer by edjones(7569)

 Question 394535: How do I find out if (2x-3) is the factor of(x^4 - 2x square + x)without the use of a calculator? Click here to see answer by edjones(7569)

 Question 394595: Rewrite without parentheses and simplify. (5v + 5)^2 Click here to see answer by edjones(7569)