# 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 225277: How long will it take an object to hit the ground if it is dropped from a height of 1296 feet? (use d=rt+16r^2) Assume the object initially is held still. Click here to see answer by nerdybill(6962)

 Question 225730: Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = x3 + 2x2 - 5x - 6 Click here to see answer by nerdybill(6962)

 Question 225929: Raul found that by increasing his speed by 5 km/hr, he could drive 12km in 0.2 hrs. What was his original speed? ____kilometers per hour Click here to see answer by jojo14344(1512)

 Question 226017: factor completely. state if polynomial is prime? x^4 + 4x^3 - 2x -8 Click here to see answer by edjones(7569)

 Question 225733: Assistance is needed and greatly appreciated. 5pq^2/ 12r^2s / 20q^5/ 3r^3s4 so far I got 100pq^7/ 36r^5s^5 (not sure if I am on the right path. Also... 6 + 2/ y -2 = 7/ y + 1 (not sure how to start to solve) Please help! Click here to see answer by ankor@dixie-net.com(15657)

 Question 226424: Please help! solve algebracially using one variable: find three consectutive even integers such that the product of the first two is two less than five times the third integer. thank u!! Click here to see answer by scott8148(6628)

 Question 226436: find the variation constant and an equation of variation where y varies directly as x and y =8 when x=1 Click here to see answer by user_dude2008(1861)

 Question 226624: Help me solve the following by factoring: 6x^3=10x+11x^2 Click here to see answer by checkley77(12569)

 Question 226626: Help me solve the following by factoring: x^3-3x^2-4x+12=0 Click here to see answer by RAY100(1637)

 Question 227107: subtract, simplify by collecting like and radical terms if possible 4 squareroot 45 - 8 squareroot 5 = ? Click here to see answer by solver91311(16897)

 Question 227157: The polynomial 216 x^3 - 125 y^3 can be factored into the product of two polynomials, A times B where the degree of A is greater than the degree of B. Find A and B. Please help! thank you! Click here to see answer by Alan3354(30993)

 Question 227144: I can not figure out the next step can someone help (x+3)*4+(x-3)*3=-5x 4x+12+3x-9=-5x 7x-3=-5x Click here to see answer by solver91311(16897)

 Question 227258: check whether the given number is a solution of the equation 7-2x=15;-4 Click here to see answer by rfer(12662)

 Question 227266: show me how to solve for x. 2a+3x=4 Click here to see answer by solver91311(16897)

 Question 227395: I need help factoring. Here's what I have so far. 6x^2y^2-18xy-60 6(x^2y^2-3xy-10) I am stuck with how to further factor out. Thanks in advance for your help Click here to see answer by Alan3354(30993)

 Question 227394: they want this factored completely 98a^4-72b^2 im not understanding Click here to see answer by Alan3354(30993)
 Question 227394: they want this factored completely 98a^4-72b^2 im not understanding Click here to see answer by rapaljer(4667)

 Question 227404: w2 - 1/(w - 1)2 . w - 1/w2 + 2w + 1 Will someone please help me with this fraction? I do not no how to make the tiny to the power numbers so I made them regular size. so each 2 after each w is a to the power 2. And the 2 after the w is also a to the power 2. I hope I am making sense here. Help me figure this out please. Click here to see answer by rapaljer(4667)

 Question 227436: , Laird realizes he hates mathematics and his Job, and decides to jump off of a building. If his height off the ground at time t is given by h(t)=-2t^2+30t+500 , at what time will he reach his maximum height, and what will it be? Click here to see answer by Alan3354(30993)

 Question 227446: I have to factor completely.If the polynomial is prime, state this: 4x^2+8xy-32y^2 Click here to see answer by scott8148(6628)

 Question 227532: Hello, I am afraid Im looking into this too far. is 1-x^8 factorable? Thanks in advance for your help. Click here to see answer by jsmallt9(3296)

 Question 227530: Hello, I am stuck on factoring 1331c^3 + 512d^3 I started with cube roots 11 and 8 (11c+8d)(11c^2-(11c)(8d)+8d^2) This is where I get stuck. Thanks in advance for any help Click here to see answer by Alan3354(30993)
 Question 227530: Hello, I am stuck on factoring 1331c^3 + 512d^3 I started with cube roots 11 and 8 (11c+8d)(11c^2-(11c)(8d)+8d^2) This is where I get stuck. Thanks in advance for any help Click here to see answer by jsmallt9(3296)

 Question 227548: i need detailed laymans explanation to simplify rational expression: x2+6x-16 ---------- x2+3x-10 Click here to see answer by jsmallt9(3296)

 Question 227552: find the equation of the line passing through (6,-4)and perpendicular to the line whose equation is 3x-y-5=0 write the answer in slope-intercept form. Click here to see answer by checkley77(12569)