# 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 104687: page 330 # 64 - factor each polynomial x^2 - 5xs -24s^2 Click here to see answer by Fombitz(13828)

 Question 104748: Which of the following is not a polynomial? A) 4x^3 + 5x – 1 B)2x – 1/x C) 3xy^2 + xy D) 24 Click here to see answer by duggie(26)

 Question 104670: Factor completely: 27x3 – 8y3 Hint: use the “difference of two cubes method” Click here to see answer by edjones(7569)

 Question 104761: The profit on a watch is given by P = x^2 – 13x – 80, where x is the number of watches sold per day. How many watches were sold on a day when there was a \$50 loss? Click here to see answer by Fombitz(13828)

 Question 104794: Given the function: h(x)= 2x+6 over (divided by) 7x +10, determine the equations for the vertical and horizontal asymptotes Click here to see answer by Fombitz(13828)

 Question 104930: Use FOIL to multiply: (6x – 1)(3x – 4) Thanks Again! Click here to see answer by checkley75(3666)

 Question 104929: Perform indicated operations (x^2-11x+4)-(-2x^2+2x-6)-(X^2+6x-5) Completely lost again! Thanks Click here to see answer by checkley75(3666)

 Question 104926: For f(x) = 9x – 2, find f(-3). Totally lost again. Thank you for looking at the problem! Click here to see answer by checkley75(3666)
 Question 104926: For f(x) = 9x – 2, find f(-3). Totally lost again. Thank you for looking at the problem! Click here to see answer by edjones(7569)

 Question 104925: Make sure to superscript all exponents. All exponents in final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order. 1. Simplify and evaluate: (x^4 y^6 z^12/9^-2 x^3 y^-8 z^-9)^0 I am confused on this one. Our seminars cover the previous week so we have to figure this out before we are taught. Thanks Click here to see answer by jim_thompson5910(28704)
 Question 104925: Make sure to superscript all exponents. All exponents in final answers should be positive. Final answers should have all single connecting signs and be arranged in descending order. 1. Simplify and evaluate: (x^4 y^6 z^12/9^-2 x^3 y^-8 z^-9)^0 I am confused on this one. Our seminars cover the previous week so we have to figure this out before we are taught. Thanks Click here to see answer by Fombitz(13828)

 Question 104976: what values from x must be excluded in the following fraction? 1/x+9 Click here to see answer by checkley75(3666)

 Question 105029: Perform the indicated calculations. Write the result in scientific notation. 4.5 * 10^12/1.5 * 10^7 Thank you for your help.. Click here to see answer by bucky(2189)

 Question 105100: Help! Rewrite the middle term as the sum of two terms and then factor completely. 6x^2-7x-3 Thank you Click here to see answer by HyperBrain(694)

 Question 105095: Factor the following into the product of two binomials. Then, confirm your answer is correct by multiplying the two binomials: 25y2 + 20y + 4 Click here to see answer by HyperBrain(694)

 Question 105094: Factor the following into the product of two binomials. Then, confirm your answer is correct by multiplying the two binomials: x2 - 36 Click here to see answer by HyperBrain(694)

 Question 105102: Factor the polynomial by grouping the first two terms and the last two terms. x^5+x^3-2x^2-2 Thanks for all your help these ones are really stumping me... Click here to see answer by tutorcecilia(2152)

 Question 105097: Factor the following into the product of two binomials by the “grouping” method: x3 – 7x2 + 9x - 63 Click here to see answer by MathLover1(6808)

 Question 105167: Please help, I cannot understand the examples in the book. Here is the question: Factor each polynomial by grouping the first two terms and the last two terms. x^5+x^3-2x^2-2 Thank you. Marco Click here to see answer by jim_thompson5910(28704)

 Question 105116: Find the x and y intercepts for the equation. 20y-4x=-8 Click here to see answer by elima(1433)