# 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 193787: Can you tell me what's an easy way to solve polynomials with high degrees? Is there a certain formula for this?? For example: -(x+h)^4 Click here to see answer by yuendatlo(23)

 Question 193767: Determine the number of solutions and classify the type of solutions for each of the following equations. Justify your answer. 3x2 - 7x + 6 = 0 Click here to see answer by Mathtut(3670)

 Question 193763: Determine the number of solutions and classify the type of solutions for each of the following equations. Justify your answer. x2 + x + 4 = 0 Click here to see answer by Mathtut(3670)

 Question 193823: Divide x^4 + x^2 -80 by ( x + 3) Click here to see answer by stanbon(57219)

 Question 193836: A map has a scale of 50 miles/1 in. If two cities measure 6.5 inches apart, how many miles does this represent? Click here to see answer by Mathtut(3670)

 Question 193835: a 32 oz bottle of heinz ketchup cost \$1.98 and a 24-ounce bottle cost \$1.82 also a 20 ounce bottle cost 1.62. Which is the better buy? Click here to see answer by Mathtut(3670)

 Question 193854: I am trying to help my daughter with this bonus question. My algebra is alittle rusty. 2x^6 + 2x^5 -4x^4 + x^3 8x^2 - 3 divided by x^3 + 2x^2 - 1 Click here to see answer by Mathtut(3670)

 Question 193973: A map has a scale of 50 miles/1 inch. If two cites measure 6.5 inches apart how many miles does this represent? Click here to see answer by RAY100(1637)

 Question 193971: a 32-0z bottle of heinz ketchup cost \$1.98 and a 24 ounce bottle cost \$1.82 also a 20 ounce cost 1.62 which is the bettr buy? Click here to see answer by checkley77(12569)

 Question 194042: Suppose ( x + a )( x + b )= x^2 + ( b - 6)x + 180. Find the values of a and b I have been working on this problem for the last 1 and a half hrs. It is so confusing! Please help me out with it! Click here to see answer by solver91311(16868)

 Question 194078: Find the polynomial function with real coefficients that has the given zeroes: 6 and -2i. Express the function in general form. Click here to see answer by stanbon(57219)

 Question 193974: 6-8 ounce Coca cola sodas cost 2.18 and 6-24 ounce sodas cost 3.18 and 2 liter sodas cost 4/5.00. which is the better buy (hint: 1 liter=33.824 ounce.) Click here to see answer by Mathtut(3670)

 Question 194141: Find the quotient and remainder when x^2-5x+9 is divided by x-3 Click here to see answer by vleith(2825)

 Question 194225: Converting to LCD I think I confused my self on this one. Please Help. 4/x-y , 5x/2y-2x I came up with x-y and 2(y-x) as my LCD. I'm stuck, I don't know how to solve any futher. Help. Click here to see answer by stanbon(57219)

 Question 194222: Rational Expressions. This problem totally stumped me. Please help. -2a^2/3a^2*20a/15a^3 I worked it down to -2/3*4a/3a^3 I know I am not finished or am I? I am clueless on this one. Click here to see answer by stanbon(57219)

 Question 194217: Reduction to the lowest terms Question: 4x^2/2x^9= I reduced it to 2/x^6 I think I got it, but I am not comfortable with the answer. Am I understanding this ? Thanks for your attention. Click here to see answer by stanbon(57219)

 Question 194255: Rational Expressions with different denominators Question, this is what I got but the answer is bothering me, what do you think? y/4+ 2y I got 4 as LCD and my answer came out to be 9y/4 How did I do? Click here to see answer by checkley77(12569)

 Question 194424: Problem with more than one solution. Question: x/3 = 4/x+1 4/x+1 - x/3 = 0 3(x+1)4/x+1 - x/3 3(x+1) = 0 3(4) - x(x+1) = 0 12 - x^2 - x = 0 12 - x^3 = 0 Did I go wrong or where do I go from here? Thank You. Click here to see answer by jim_thompson5910(28476)

 Question 194422: Complex Fraction Question: ab + b^2 / 4ab^5 divided by a+b/6a^2b^4 = I was lost on the last example so I am lost again on this one. Please explain the way to get through this problem. Thank You. Click here to see answer by ptaylor(2048)

 Question 194428: This is a through back question that I was curious about. -3x/x = x/-3 I came up with x^2 -9x = 0 Am I right? If not please explain. Click here to see answer by stanbon(57219)
 Question 194428: This is a through back question that I was curious about. -3x/x = x/-3 I came up with x^2 -9x = 0 Am I right? If not please explain. Click here to see answer by jim_thompson5910(28476)

 Question 194427: Extraneous Solution Question: 5/y-3 = y+7/2y -6 + 1 LCD is 2(y-3)? 2(y-3)* 5/y-3= y+7/2y-6*2(y-3 + 1 * 2(y-3) I'm stuck. I don't think I have the correct LCD. where did I go wrong? Thank You for your help. Click here to see answer by stanbon(57219)

 Question 194418: Complex Fraction Question: 1/9 + 1/3x / x/9 - 1/x 1/9 + 1/3x(9)/ x/9 - 1/x(9) my answer came up to be 1/3x / 9 Where did I go wrong? Please help Click here to see answer by vleith(2825)

 Question 194436: If a polynomail function has zeros -7 and 5, write the factors of the polynomial. Click here to see answer by Mathtut(3670)

 Question 194479: I need help multiplying this rational expression. x+9/x-3 * x^3-27/x^2+3x+9 Click here to see answer by jim_thompson5910(28476)

 Question 194429: My question is: It usually takes Eva 3 hours longer to do the monthly payroll than it takes Cindy. They start working on it together at 9:00 AM and at 5:00 PM they have 90% of it done. If Eva took s 2 hour lunch break while Cindy had none, then how much longer will it take for them to finish the payroll working together? Click here to see answer by ankor@dixie-net.com(15624)

 Question 194441: This problem is from a homework handout. Find a polynomial function that has the given zeros. 3, 2-sq rt3, 2+sq rt3 Thanks for the help Click here to see answer by scott8148(6628)