# 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 188572: 3p^2-2p-5 2n^2+3n-9 3n^2-8n+4 5n^2+19+12 2v^2+11v+5 2n^2+5n+2 7a^2+53a+28 9k^2+66k+21 15n^2-27n-6 Click here to see answer by checkley77(12569)

 Question 188763: An object is thrown downward, with an initial speed of 16ft/s, from the top of a building 480 ft. high. How many seconds later will the object hit the ground? Use the equation d = vt + 16t2 , where d is the distance in feet, v is the initial speed, and t is the time in seconds. Click here to see answer by stanbon(57967)

 Question 188784: Solve for I: P sub CR = (n*pi^2*E*A)/((L/sqrt(I/A))^2) Click here to see answer by jim_thompson5910(28715)

 Question 188871: Problem 1. (4y^3-7y^2+5y-6) / (y^2-2y+3) Problem 2. 3x^2 + 14x + 8 Click here to see answer by Mathtut(3670)

 Question 188965: Factor using GCF 1.k*k+7k-30 2. 2x*x+11x+5 3. The area of a rectangle is (8x*x+8x+2) cm. The width of the rectangle is (2x+1) cm. What is the length of the rectangle? Click here to see answer by stanbon(57967)

 Question 189002: Divide. If the divisor contains 2 or more terms use long division. y^3+4y^2+3/y-2 Click here to see answer by Mathtut(3670)

 Question 188964: factor using GCF 1. m*m-8m*m*m*m*m 2. 3k*k+6k-3 3.w*w*w-4w*w+w-4 4.x*x+6x+8 Click here to see answer by edjones(7569)

 Question 189025: Find and equation of varitation for the given situation. 1) y varies inversely as the square of x, and y=6 when x=3 2) y varies directly as x and inversely as z, and y=4 when x=14 and z=15 3) y varies jointly as x and z inversely as the square of w , and y=12/5 when x=16, z=3, w=5 I really need help how to solve this. Im lost and need help. Thanks Click here to see answer by stanbon(57967)

 Question 189033: Says to find the product. (4x-4)(4x+4) I got 16x^2-16 is that right? Thanks Click here to see answer by Alan3354(31518)

 Question 189036: Says to simplify using positive exponents only. (x^4y^3)^-9 Click here to see answer by Alan3354(31518)

 Question 189028: Given P(x)=6x^3+x^2+2x+3, how many POSSIBLE roots of P(x) are there? Click here to see answer by solver91311(17077)

 Question 189048: Can You take me through step by step on solving this problem plus these other 3 5.2 13 x + 6 5.2 17 x^3 - 15 5.2 47 4z^2 - 8z^+ 3 Click here to see answer by solver91311(17077)

 Question 189054: Find the degree of the polynomial. 9zx-9x^3 Is it a Monomial, Binomial, or Trinomial? Click here to see answer by user_dude2008(1861)

 Question 189042: Use the power rule and the power of product or quotient rule to simplify the expression. (2x^5z^5/y)^3 Click here to see answer by stanbon(57967)

 Question 189070: Find each product (x-8) (x+4)(x-3) -------- * ----------- (x+8)(x-3) (x-8) Click here to see answer by stanbon(57967)