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

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 Question 372204: Hi can you help me solve this polynomial equation : 2{[3(x-6)+1]-4[3(x-2)-3]} Click here to see answer by Alan3354(34677)

 Question 372385: I need to know the domain, range, min or max to these problems y=-x^2+6x+5 y=1/2(x-6)^2+7 y=-3(x+2)^2+1 Y=4x^2-8x Click here to see answer by robertb(4012)

 Question 372538: I am having a problem rearranging polynomials so that I can find the GCF and factor by grouping to get a binomial answer. Example question: 10x^2-12y+15x-8xy. I have tried to rearrange by switching the 12y and 15x but it doesn't give me the correct binomial answer. Can you advise? I hope I haven't confused anyone with my question. I appreciate any help. Juliette Wilson Click here to see answer by nerdybill(7090)

 Question 372481: how to solve and get eigen values for this. for the time being insted of lamda symbol I have used here x variable. (-x^3)+(12x^2)-44x+48. reply soon. thank you. Click here to see answer by Fombitz(13828)

 Question 372635: Determine whether the function is one-to-one by graphing and using the horizontal line test. F(x)=Square root of 9-x^2 A. No B. Yes Click here to see answer by ewatrrr(11175)

 Question 372656: Can you help me find the common denominator to solve this equation: (7/(x+4))+ (4/(x^2-4x+16)) - (336/(x^3+64)) Click here to see answer by Fombitz(13828)

 Question 372863: Write an equation for the quadratic function whose graph contains the given vertex and point. Vertex (5, 5), point (7, 17) Click here to see answer by robertb(4012)

 Question 372879: I am confused on how to add the polynomial (1/3x^9 + 1/2x^5 - 1/2x^2 + 7)+ (-1/5x^9 + 1/4x^4 - 3/5x^5) Click here to see answer by robertb(4012)

 Question 373065: The amount of metal S (in square inches) that it takes to make a can for tomato soup depends on the radius r and the height h: S =πr^2 + 2πrh b) Let h = 5 inches and write a formula that expresses S in terms of r. Click here to see answer by mananth(13127)

 Question 373064: S =πr^2 + 2πrh Rewrite this formula by factoring out the greatest common factor on the right hand side. Click here to see answer by Jk22(389)

 Question 373321: Can you please help me with these questions? I am stuck! 1. Simplify completely. 5x - 10/x^2 divided by 5 = -2, x - 2/x, -1, or x^2 - 2x/x^2 ? 2. Simplify the following expression. Please show all work. x^2-25/x divided by x^2 + 6x + 5/x^2 3. Simplify completely. 4a - 8/6-12a = -2/3, 2(1-2)/3(1-2a), 2a-2/3-6a, or 2a-2/3-3a? 4. Simplify completely. 3x + 9/3x = 9, 4, x+3/x, or x+6? 5. Simplify completely. x^2 - 25/x+1 multiplied by x^2 - 1/x -5 = (x-5)(x-1),(x+5),(x+1),(x+5)(x-1), or (x-5)(x+1) 6. Choose all the polynomials that are classified as difference of squares. p^2+4, 9n^2-1, 4a-b^2, 12a^2 - 10a, m^4-n^4 7. Add and simplify. x/3+5x/3 = 2x, 5x^2/9, x, or 5x^2/3 8. Add or subtract and simplify completely. A. 16+x/x^3 + 7-4x/x^3 and B. 5-t/t^2 + 1 - t - 3/ t^2+1 9. Simplify completely. 2x+3/x-2 - x+5/x-2 = x+8/ x- 2, 3x-2/x-2, 1, x-2/x 10. Solve for x. Solve x^2/x+12 = 2/1... -8,3 24, -1 -12,0 or 6,-4 11. Subtract and simplify x^2/x+3 - 9/x+3 = x^2-9/x+3, x - 3, x^2-9/x^2+9, or x^2-9/2x+6 12. Subtract and simplify 2y+7/y-5 - y+12/y-5 = y^2-84/y-5, 1, y+19/y-5, or zero 13.solve for x. x+2/3 = 6/ x -1 -5, 4 16, 19 -2,1 or -4,5 Thank you!! Click here to see answer by edjones(7794)

 Question 373370: Height difference. A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is 16t2  96t feet. The green ball is given an initial velocity of 80 feet per second, and its height t seconds after it is tossed is 16t2  80t feet. a) Find a polynomial D(t) that represents the difference in the heights of the two balls. b) How much higher is the red ball 2 seconds after the balls are tossed? c) In reality, when does the difference in the heights stop increasing? Click here to see answer by ankor@dixie-net.com(16524)

 Question 373490: I would really appreciate your help! I need to find the values of p, r, and q. I have tried to simplify the binomial on the left side of the equals sign, but afterward none of the terms can be combined, leaving me with an unsolvable equation (I have not learned to solve quadratic equations and usually the equations cancel them out nicely): (px+q)(2x+5)=6x^2+11x+r Click here to see answer by scott8148(6628)

 Question 373630: Polynomials. Simplify. Do not use negative exponents in the answer. (m−5)10 Can anyone help me with this one, please? Click here to see answer by ewatrrr(11175)

 Question 373644: Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Click here to see answer by jsmallt9(3438)

 Question 373650: Short Answer: Simplify the following expression, and rewrite it in an equivalent form with positive exponents. Any help would be greatly appreciated! Click here to see answer by jsmallt9(3438)
 Question 373650: Short Answer: Simplify the following expression, and rewrite it in an equivalent form with positive exponents. Any help would be greatly appreciated! Click here to see answer by josmiceli(10616)

 Question 373629: Polynomials. Find a value of the variable that shows that the two expressions are not equivalent. Answers may vary. a + 7 ______; a 7 Click here to see answer by jsmallt9(3438)

 Question 373654: Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places. 1.83 * 10^6 / 1.2 * 10^4 Click here to see answer by jsmallt9(3438)

 Question 373514: Find the other factors by synthetic division: y= x^3+2x^2-5x-6 given the factor X-1 Click here to see answer by jsmallt9(3438)

 Question 373672: Simplify the following expression. Any help would be appreciated! Click here to see answer by jsmallt9(3438)

 Question 373241: Let f(x)=-8+3^(x+7).Find the domain and range of f(x). D:__________ R:__________ Click here to see answer by jsmallt9(3438)

 Question 373683: Could anyone offer their expertise on this one please?? Im stumped! Polynomials. Simplify. Do not use negative exponents in the answer. (m−5)10 Click here to see answer by solver91311(18785)

 Question 373696: The vertex of this parabola is at (-2, -3). When the x-value is -1, the y-value is -5. What is the coefficient of the squared expression in the parabola's equation? Click here to see answer by ewatrrr(11175)

 Question 373641: Find the cubic polynomial which takes the following values y(0) = 1, y(1) = 0, y(2) = 1 and y(3) = 10 , hence obtain the value of y(0.5)? Click here to see answer by CharlesG2(828)