# 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 397911: Factor the expression: 2x^2 - 4x Factor the expression: x^3 + 2x^2 - 3x - 6 Factor the expression: x^3 + 4x^2 + x + 4 i really need youre help ASAP! please and thankyou soo much Click here to see answer by scott8148(6628)

 Question 397929: Solve 4 - a-5/a+3 = a^2-1/a+3, and what does a=? Click here to see answer by stanbon(57216)

 Question 397864: how would i determine the zeros of f(x) = x3 – 12x2 + 28x – 9.? Click here to see answer by Alan3354(30957)

 Question 397951: A black racer snake travels 36.8 km in 16 hours. What is the speed in km for just 1 hour? Click here to see answer by Tatiana_Stebko(1326)

 Question 397903: A rectangle has an area given by A = x^2 + 5x + 6 Find an expression for the possible length of the rectangle. Click here to see answer by richard1234(5390)

 Question 397954: The are approximately 3 pounds of muscle for every 5 pounds of body weight of a certain animal. For a 105 pound animal, how much of the weight is muscle? Click here to see answer by josmiceli(9647)

 Question 397957: A particular hybrid car travels approximately 312 miles on 6 gallons of gas. Find the amount of gas required for a 936 mile trip? Click here to see answer by stanbon(57216)
 Question 397957: A particular hybrid car travels approximately 312 miles on 6 gallons of gas. Find the amount of gas required for a 936 mile trip? Click here to see answer by Tatiana_Stebko(1326)

 Question 397958: A sample of 136 firecrackers contained 3 duds. How many duds would you expect in a sample of 2448 firecrackers? Click here to see answer by Tatiana_Stebko(1326)

 Question 397965: The number N of aluminum cans used each year varies directly as the number of people P using the cans. If 57 people use 16,473 cans in one year, how many cans are used in a city which has a population of 1,862,000? Click here to see answer by stanbon(57216)

 Question 397974: Find the variation constant and an equation of variation where y varies inversely as x. Also y=7 and x=8? Click here to see answer by stanbon(57216)

 Question 397976: It takes 7 hours for 8 cooks to prepare the food for a wedding rehearsal dinner. How long will it take 3 cooks to prepare the dinner? Also what kind variation (inverse or direct) applies to the situation? Click here to see answer by stanbon(57216)

 Question 398006: Find the variation constant (we'll use k) and an equation of variation where y varies directly as x. Also y=4 and x=1. Click here to see answer by Alan3354(30957)

 Question 398000: Find the variation constant (we'll use k) and an equation of variation where y varies directly as x. Also y=4 and x=1. Click here to see answer by Alan3354(30957)

 Question 397972: Hooke's Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 25cm when the weight is 3kg, what is the distance when the weight is 6kg? Click here to see answer by Alan3354(30957)

 Question 398004: Hooke's Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 25cm when the weight is 3kg, what is the distance when the weight is 6kg? Click here to see answer by Alan3354(30957)

 Question 398011: It is known that making one pound of honey requires 20,000 trips by bee to flowers to gather nectar. How many pounds would 85,000 trips produce? Click here to see answer by solver91311(16868)

 Question 397973: express the following equarion using negative exponents: 1 _ t(4) - four represents fourth power Click here to see answer by richard1234(5390)

 Question 397956: It is known that making 1 pound of honey requires 20,000 trips by bees to flowers to gather nectar. How many pounds of honey would 85,000 trips produce? Click here to see answer by Tatiana_Stebko(1326)

 Question 398092: Choose the end behavior for each of the polynomial function. f(x)= -5x^5-9x^2+6x+1. I got rises to the left and falls to the right. Is this correct? f(x) 3x^3+3x^2-6x-5. I got Falls to the left and rises to the right. Is this correct? f(x) -x(x-3)(5x+2), I think I have to foil to get -5x^3-2x^2+15x+6 So I think this one rises to the left and falls to the right. Please let me know if I did these correctly. Click here to see answer by stanbon(57216)

 Question 397961: Find the variation constant (we'll use k) and an equation of variation where y varies directly as x. Also y=4 and x=1. Click here to see answer by ewatrrr(10682)

 Question 398135: How do I form a polynomial with zeros and degree are given. Example: Zeros: -5, Multiplicity 2;5, multiplicity 1; degree 3? Click here to see answer by stanbon(57216)

 Question 398221: I don't understand very well the plynomials topic. I have a study guide, but i dont know how to do solve it. For example i have to expand: (3w-2T)^2.....How can i do this? Please help Click here to see answer by MathLover1(6613)
 Question 398221: I don't understand very well the plynomials topic. I have a study guide, but i dont know how to do solve it. For example i have to expand: (3w-2T)^2.....How can i do this? Please help Click here to see answer by jihye07(1)

 Question 398232: Divide. (9x^3-10+19+6x^4)/(-2x^2+3x-3) Write your answer in the form Q(x)+ R(x)/ -2x^2+3x-3, where Q(x) is the quotient and R(x) is the remainder. Click here to see answer by rfer(12644)