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 145936: solve for the given variable assume none of the coefficents or variables are 0 S=a/1-r Click here to see answer by nabla(475)

 Question 145992: Suppose that a market research company finds that at a price of p=\$20, they would sell x=42 tiles each month. If they lower the price to p=\$10, then more people would purchase the tile, and they can expect to sell x=52 tiles in a month's time. Find the equation of the line for the demand equation. Write your answer in the form p=mx+b. Write an equation using two points in the form (x,p) Click here to see answer by nerdybill(6951)

 Question 145979: i need help please what find the product (2x-3)3x2+5x-7) find the product (-8ab5) (5a4b) factor completely 5x2-45x factor completely , if possible x2-13x+36 factor completely , if possible x2+x-30 send it to my email please i need this today monday i have to gave my homewok to school so please Click here to see answer by jim_thompson5910(28536)

 Question 145995: A company's revenue is the amount of money that comes in from sales, before business costs subtracted. For a single product, you can find the revenue by multiplying the quantity of the product sold, x, by the demand equation, p. Result from a.(p=-x+62) Substitute the result you found from part a into the equation R=xp to find the revenue equation. Provide your answer in simplified form. Click here to see answer by nerdybill(6951)

 Question 146136: The problem is: y^3 + 2y^2 - 4y - 8 I know I am supposed to find the GCF, but I am not understanding what to do because there is not a common factor of y or 8. I don't think I am understanding any of this. I think the GCF would be y but then there is the 8. I am not sure what to do. Click here to see answer by jim_thompson5910(28536)

 Question 146140: FACTORING: 16y^2 + 24y + 9 there is no GCF of any of these numbers Click here to see answer by jim_thompson5910(28536)

 Question 146143: factoring: Problem - 3x^2 + 243 First answer 3(x^2 + 81)and then I put 3(x + 9) * (x - 9), is this correct? Click here to see answer by jim_thompson5910(28536)
 Question 146143: factoring: Problem - 3x^2 + 243 First answer 3(x^2 + 81)and then I put 3(x + 9) * (x - 9), is this correct? Click here to see answer by solver91311(16872)
 Question 146143: factoring: Problem - 3x^2 + 243 First answer 3(x^2 + 81)and then I put 3(x + 9) * (x - 9), is this correct? Click here to see answer by Earlsdon(6287)

 Question 146165: Can you help me factor this problem? 16a^3 - 36a^2y + 14ay^2 Click here to see answer by scott8148(6628)

 Question 146167: How do you completely factor this problem? 16a^3 - 36a^2y + 14ay^2 Click here to see answer by scott8148(6628)

 Question 146166: How do you factor this completely? 7x^2 + 49x + 42 Click here to see answer by nerdybill(6951)
 Question 146166: How do you factor this completely? 7x^2 + 49x + 42 Click here to see answer by scott8148(6628)

 Question 146162: I am trying to remember how to factor a problem, can you help me? Factor completely: x^3 – 2x^2 + 7x – 14 Click here to see answer by jim_thompson5910(28536)
 Question 146162: I am trying to remember how to factor a problem, can you help me? Factor completely: x^3 – 2x^2 + 7x – 14 Click here to see answer by Edwin McCravy(8889)

 Question 146173: Factor and check: x^2 - 3xy - 4y^2 Click here to see answer by jim_thompson5910(28536)

 Question 146172: The area of a triangle is A=(1/2) * (base) * (height), where height is the perpendicular height from the apex (point on top) to the base line. If the height of a certain triangle is 7 feet longer than its base, what is the polynomial that represents its area? (Let X = the base). Click here to see answer by stanbon(57277)

 Question 146178: 9a^6 - 48a^4 + 64a^2 factor expression completely, if expression is prime, so indicate. (Include the check of your answer using multiplication) Click here to see answer by Earlsdon(6287)

 Question 146189: I am taking a college calculus class afterm some time off and I cannot remember how to solve simplify a polynomial with division. It is as follows: [(x+3/x+1)-2]/(x-1). What are the rules to remember and how would I begin solving this? Click here to see answer by stanbon(57277)

 Question 146188: I am taking a college calculus class afterm some time off and I cannot remember how to solve simplify a polynomial with division. It is as follows: [(x+3/x+1)-2]/(x-1). What are the rules to remember and how would I begin solving this? Click here to see answer by nabla(475)

 Question 146233: find two consecuive positive integers if the difference of their reciprocals is 1/12 Click here to see answer by nabla(475)

 Question 146232: Solve for v. assume none of the coefficients or variables are 0. qv-4/3b = av+4/4b Click here to see answer by Earlsdon(6287)

 Question 146261: how would i do this? Factor the following polynomial completely. y2 + 12y + 36= Click here to see answer by jim_thompson5910(28536)

 Question 146262: how would i do this? Factor the following polynomial completely. 96x2 - 6y2 = Click here to see answer by jim_thompson5910(28536)

 Question 146286: Let . How many vertical asymptotes are possible? a)3 b)2 c)6 d)5 Click here to see answer by Edwin McCravy(8889)

 Question 146321: Can you please help me? Perimeter of a rectangle. The perimeter of a rectangular backyard is 6x + 6 yards. If the width is x yards, find a binomial that represents the length. Click here to see answer by edjones(7569)

 Question 146320: Can you please help me? Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P (1 + r/2)^2 represents the value of the investment after 1 year. Rewrite this expression without parenthesis. Evaluate the polynomial if P = \$200 and r = 10%. Click here to see answer by checkley77(12569)

 Question 146319: Can you please help me? Shrinking garden. Rose’s garden is a square with sides of length x feet. Next spring she plans to make it rectangular by lengthening one side 5 feet and shortening the other side by 5 feet. What polynomial represents the new area? By how much will the area of the new garden differ from that of the old garden? Click here to see answer by checkley77(12569)

 Question 146318: I am not understanding how to work this problem out. Area of a Parallelogram. Find a trinomial that represents the area of a parallelogram whose base is 2x + 3 meters. Click here to see answer by checkley77(12569)

 Question 146316: I do not understand how to do this problem. Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters. Click here to see answer by oscargut(891)
 Question 146316: I do not understand how to do this problem. Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters. Click here to see answer by checkley77(12569)
 Question 146316: I do not understand how to do this problem. Swimming space. The length of a rectangular swimming pool is 2x – 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters. Click here to see answer by edjones(7569)

 Question 146314: I am not understanding how to work this problem out. Perimeter of a rectangle. The width of a rectangle playground is 2x-5 feet, and the length is 3x+9 feet. Write a polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet. Click here to see answer by checkley77(12569)

 Question 146373: Please help. Perimeter of a rectangle. The perimeter of a rectangular backyard is 6x + 6 yards. If the width is x yards, find a binomial that represents the length. Click here to see answer by nerdybill(6951)

 Question 146371: Please help. Present value. The present value P that will amount to A dollars in n years with interest compounded annually at annual interest rater, is given by P = A(1 + r) ^-n Click here to see answer by stanbon(57277)