# Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!      Log On

 Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 607095: Hello Sir, My age is 15 and I'm in 10th grade and this polynomial question has eaten days of me so please sir give me a hint to solve this , I'm not saying you to solve this but just give me a hint:- Suppose f(x) is a poly. of degree 5 with leading coefficient 2009.Suppose further that f(1)=1,f(2)=3,f(3)=5,f(4)=7,f(5)=9. What is the value of f(6)? Thank you. Click here to see answer by lynnlo(4164)

 Question 607127: Can you show me how to group by factoring this equation: 6z^2-5z-6? Click here to see answer by ewatrrr(10682)
 Question 607127: Can you show me how to group by factoring this equation: 6z^2-5z-6? Click here to see answer by Gogonati(809)

 Question 607001: Can the expression a^2-16a+28 be factored. And if so how do I do it? Click here to see answer by ankor@dixie-net.com(15656)

 Question 607241: I need help solving this problem....the sides of a right triangle are x, x+1 and x+2 units long. Find the side lengths of the triangle by solving for x. Click here to see answer by Earlsdon(6287)

 Question 607215: "Write the rational expression in lowest terms." y^3+64/y^3-4y^2+16y Click here to see answer by Earlsdon(6287)

 Question 607313: If p + q + r =1 , pq + qr + rs = -1 and pqr = -1, find the value of p^ 3 + q^ 3 + r ^3 Click here to see answer by lynnlo(4164)

 Question 607335: Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.0021718x^4 + 0.027326x^3 – 0.3367x^2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old? Click here to see answer by ewatrrr(10682)

 Question 607334: Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 8x^3 – x^2 – 2x + 4. The shop estimates their costs for that quarter to be given by x^2 – 4x + 7. For the second quarter, find and simplify a polynomial that will represent their profit. Note: Profit = Revenue - Costs. please show work for better understanding. thanks! Click here to see answer by solver91311(16897)

 Question 607333: Write all of the following statement(s) that apply to the following polynomial: -5x^3 + 2x^2 – 7: a) it is a binomial b)it can not be evaluated at x=-1/3 c) it has a degree of 3 d) it is cubic Click here to see answer by solver91311(16897)

 Question 607366: (2x 2 + 3x – 9) – (- 4x + 7) Click here to see answer by ewatrrr(10682)

 Question 607391: One last darn problem.. A square: the top is labeled b+4, the right side is labeled, b. The perimeter is? The area is? :-) Click here to see answer by rfer(12662)

 Question 607446: Show all work. The area of a rectangular swimming pool is given by 5x^2+31x+6ft^2 One side length of the pool is given by 5x + 1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of your answer. PLEASE HELP !!!!! Click here to see answer by josmiceli(9686)

 Question 607640: Can someone help me simplify this rational expression? X-2/x^2-4 + 2/x+2 First I look for the lcd, then I build up the fractions and get: x-2/(x+2)(x-2) + 2x-4/(x-2)(x+2) and the I am unclear what to do as the answe comes out to: 3/x+2 but I do not understand how they came up with that answer. Please help! Click here to see answer by jsmallt9(3296)

 Question 607644: Can someone help me simplify this rational expression? X-2/x^2-4 + 2/x+2 First I look for the lcd, then I build up the fractions and get: x-2/(x+2)(x-2) + 2x-4/(x-2)(x+2) and the I am unclear what to do as the answe comes out to: 3/x+2 but I do not understand how they came up with that answer. Please help! *accidentally double posted but the other post did not have my correct email. Sorry! Click here to see answer by jim_thompson5910(28595)

 Question 607717: What is the factored form of 12d squared + 4d - 1 ? Click here to see answer by jim_thompson5910(28595)

 Question 607737: can you explain to me how i would solve this i am so confused. Factor completely: -12x3y5 - 9x2y2 + 12xy3? thank you !! Click here to see answer by ewatrrr(10682)
 Question 607737: can you explain to me how i would solve this i am so confused. Factor completely: -12x3y5 - 9x2y2 + 12xy3? thank you !! Click here to see answer by jim_thompson5910(28595)
 Question 607737: can you explain to me how i would solve this i am so confused. Factor completely: -12x3y5 - 9x2y2 + 12xy3? thank you !! Click here to see answer by Alan3354(30993)

 Question 607924: How do I: Factor completely : 6x^2+33x+15 Thank you Monek Click here to see answer by lynnlo(4164)

 Question 607930: Solve by factoring and using the principle of zero products: 3x^2+8x=9+2x Click here to see answer by jsmallt9(3296)

 Question 607925: How do I: Factor by grouping: 3x^3+2x^2+ 3x+2 Thank you Monek Click here to see answer by KMST(1868)

 Question 607921: How do I: Factor completely: 〖3x〗^4+6x^3-45x^2 Thank you Click here to see answer by lynnlo(4164)

 Question 607920: How do I Factor by grouping: 3x^3+2x^2+ 3x+2 ? Thank you Click here to see answer by lynnlo(4164)