# Questions on Algebra: Negative and Fractional exponents answered by real tutors!

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 Algebra: Negative and Fractional exponents Solvers Lessons Answers archive Quiz In Depth

 Question 95098: I don't understand how to simplify this question: (16 raised to the negative 1 power, "x" raised to the negative 4th power, "y" raised to the possitive 12th power) This whole problem is in parenthesis. Outside of the parenthesis, the entire problem is raisd to negative 3/4. I hope this makes sense. So I think it should be written as: (16^-1 x^-4 y^12)^-3/4 Click here to see answer by bucky(2189)

 Question 95134: Solve: "Determin "k" if -2 is a root of: 2x^2+ky+2=0 Click here to see answer by stanbon(57356)

 Question 95719: what is the factor of 16m-28n? what is the factor of 63v - 7w + 28? Click here to see answer by checkley71(8403)

 Question 96111: factor and find x. 3x squared = 75 Click here to see answer by checkley71(8403)

 Question 96749: I need to prove that the product of to negative numbers is a negative number in an algebraic method. Click here to see answer by kev82(148)

 Question 97352: Find the real or imaginary numbers of the equation: x^-2 - 9x^-1 + 18=0 Click here to see answer by jim_thompson5910(28595)
 Question 97352: Find the real or imaginary numbers of the equation: x^-2 - 9x^-1 + 18=0 Click here to see answer by stanbon(57356)

 Question 97398: how can it be that 0^0 is equal to 1 Click here to see answer by longjonsilver(2297)

 Question 98249: Rewrite the middle term as the sum of two terms and then factor by grouping x^2+4x-21 Thank you Click here to see answer by tutorcecilia(2152)

 Question 98553: I am having trouble with a question on rules of exponants. I have 6 questions to do but don't know how to reduce or move exponents (positive and negative) from one side of the equation to the other. My first question in my home work is: open bracket n to the 5th closed bracket to the negative 6 equals 1 (n5)-6 = 1 I guess I should write it like (n^5)^-6 = 1 When I move an exponent across the equals sign does it become a root and does a negative become a positive. So that the -6 exponent would become a positive root 6?? This is on a hand out there is no text book (ISBN) Click here to see answer by stanbon(57356)

 Question 98679: What numbers can not be used for X and Why? Can someone please explain what to do to solve this problem? thanks! (X^2 - 4)/(9 - x^2) Click here to see answer by 303795(595)

 Question 98678: What numbers can not be used for X and Why? Can someone please explain what to do to solve this problem? thanks! (X^2 - 4)/(9 - x^2) Click here to see answer by 303795(595)
 Question 98678: What numbers can not be used for X and Why? Can someone please explain what to do to solve this problem? thanks! (X^2 - 4)/(9 - x^2) Click here to see answer by edjones(7569)