# 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 222778: Under what situation would one or more solutions of a rational equation be unacceptable? Can you please give me an example of an rational equation? Click here to see answer by rapaljer(4667)

 Question 222956: Can someone please help me understand how to solve this problem. Thank you in advance. Area of a painting. A rectangular painting with a width of X centimeters has an area of x^2 + 50x square centimeters. Find a binomial that represents the length. Click here to see answer by Theo(3472)

 Question 222957: Can someone please help me with this. I am studing for an exam and I am sure there will be similar questions. Thanks!! Amount of an investment. The amount of a investment of P dollars are t years at simple interest rate r is given by a=p + prt 1) rewrite this formula by factoring out the GCF on the right side. 2) find a if \$8300 is invested for 3 years at a simple interest rate of 15%. Click here to see answer by Theo(3472)

 Question 222947: I need help with this equation. Please!!!! I am having a hard time working this out. I appreciate greatly any help I can get. Thank you!!!!!!!!!! Combine like terms, and write in descending order: 3/4 x^3+4x^2-x^3+7 Click here to see answer by stanbon(57422)

 Question 223020: Write each polynomial in descending order of the variable x. 5xy^2+3x^2y-9-2x^3 Click here to see answer by jim_thompson5910(28598)
 Question 223020: Write each polynomial in descending order of the variable x. 5xy^2+3x^2y-9-2x^3 Click here to see answer by drj(1380)

 Question 223118: I can't figure out how to factor this equation: Click here to see answer by Alan3354(30993)

 Question 223179: Bear Population To estimate the size of the bear population on the keweenaw Peninsula conervationists captured , tagges and relesed 50 bears. One year later a random sample of 100 bears inclueded only 2 tagged bears. what is the consercationist's estimate of the size of the bear population Click here to see answer by checkley77(12569)

 Question 223218: On my math homework i have to do Factor each polynomial and the problem is 12x to the 2nd power y to the 2nd power and z + 40xy to the 3rd power z Click here to see answer by jim_thompson5910(28598)

 Question 223191: If the sides of a square are lengthened by 8 cm, the area become 256cm^2. Find the length of the original square. The length of the original square is ? cm. Click here to see answer by drj(1380)

 Question 223299: Venture capital. Henry invested \$12,000 in a new restaurant. When the restaurant was sold two years later, he received \$27,000. Find his average annual return by solving the equation 12,000(1 + r)2 = 27,000. (The 2 is a 'to the power number) Please help how do I figure this out?? Do I simply add 12,000 and 27,000 then divide by 2?? Maybe? Click here to see answer by checkley77(12569)

 Question 223403: Please answer this question: Find the points of intersection between the two functions of f(x)=x^2-4 and g(x)=sqrt. of x+4(both the x and the 4 are under the radical). The answer must be in ordered pair form. I simplified it and this is what I got: Click here to see answer by stanbon(57422)

 Question 223804: I'm taking intermediate algebra 10 years after I last took it. We've been given a sheet to review factoring and I've been having problems remembering how to factor, particularly the rules involving quadratic equations. Here are four of the problems that are giving me grief: #1. Factor 10x^2+9x-9 I came up with 10xs^2+3(3x-3) #2. Factor 2ax+2ay-bx-by My answer is 2a(x+y)-b(x+y) #3. Factor x(y-8)-7(8-y) My answer is xy-8x-56-7y # 4. Factor 4-x^2 Can't even think where to begin with this one! Click here to see answer by Alan3354(30993)

 Question 224291: If the area of a rectangular park is given by the polynomial, 2x^2+11x+5cm^2. Factor the polynomial to find the rectangle’s dimensions? Click here to see answer by jsmallt9(3296)

 Question 224296: The sum of a number and it's reciprocal is 13/6. Find the numbers. Click here to see answer by stanbon(57422)

 Question 224394: How much is an eighth of a dollar? Click here to see answer by checkley77(12569)

 Question 224523: new car value 24,000 and depreciates 3,000 per year Write a formula that models the car's value, y, in dollars, after x years. Click here to see answer by Alan3354(30993)

 Question 224584: a rectangle is 4 cm longer than it is wide, and it area is 117 cm squared. find its dimensions. Click here to see answer by drj(1380)

 Question 224786: Choose the equation that best represents the following: The sum of three consecutive integers is 24. A. x(x + 1)(x + 2) = 24 B. x + (x + 2) + (x + 4) = 24 C. (x + 1)(x + 2) = 24 D. x + (x + 1) + (x + 2) = 24 Click here to see answer by drj(1380)

 Question 224787: Choose the equation that best represents the following: The greater of two consecutive even integers is six less than twice the smaller. A. x + 1 = 2x – 6 B. x + 2 = 6 – 2x C. x + 2 = 2x – 6 D. x + 1 = 6 – 2x Click here to see answer by checkley77(12569)

 Question 224763: Hello, can someone please assist me in understanding these types of problems. Thank you x/3 = 4/ x+1 also -3/x = x/-3 Click here to see answer by checkley77(12569)

 Question 224851: Subtact from The two behind the a and b are expontents Click here to see answer by LtAurora(115)