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

Algebra -> Algebra -> Exponents-negative-and-fractional -> Questions on Algebra: Negative and Fractional exponents answered by real tutors! Log On

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

Algebra: Negative and Fractional exponents

Solvers

Lessons

Problems, free tutors

Quiz

In Depth

Tutors Answer Your Questions about Exponents-negative-and-fractional (FREE)

Question 100188: -6x+8=14
Click here to see answer by checkley71(8405)

Question 100187: -6x+8=14
Click here to see answer by checkley71(8405)

Question 100175: I have the following fraction to simplify, but I'm unsure if I have it correct.
x^2 - y^2/6x + 6y
My answer is x - y/12
Could you please tell me if my answer is correct?
Click here to see answer by ptaylor(1578)

Question 100448: I need to remove the brackets and collect the like terms of the following expression, but the minus sign between the two bracketed terms has me confused.
(5x+8)-(3-8x)
Can you help with this one please?
Click here to see answer by edjones(3297)

Question 100441: I,m having problems simplifying this fraction, can you help please?
(2n^2*3n^3) / (6n^7)
Click here to see answer by checkley71(8405)

Question 101180This question is from textbook technical mathmatics
: book instructions perform indicated operations. leave all answers in terms of positive exponents.
problem:
39.
(2b^2/y^5)^-3
is this the only solution?
1/(2b^2/y^5)^3
This question is from textbook technical mathmatics

Click here to see answer by Earlsdon(4900)

Question 101269: 1/3(X-4)+ 5/6(X+2)= X+3

Thanks.
Click here to see answer by stanbon(26283)

Question 101297: From the compass study guide.
Algebra Placement Test Sample.
The question reads as follows.
11.For all nonzero r,t, and z values, 16r^3tz^5/-4rt^3z^2=?
I need a step by step explaination.
Click here to see answer by Earlsdon(4900)

Question 101910: We have tried and tried to find the answer, but can't seem to figure out when to use the multipicative inverse to solve it. The problem is:
2^2x = 8^(x-1) Hope you can help. Thanks!
Click here to see answer by stanbon(26283)

Question 102079: I wasn't sure how to classify my question, but here it is. Fill in the blank in the following pattern: 0,1,64,243,256,125,____,7,1. The answer is 36, but I can't solve it. I think it has something to do with squaring or cubing the numbers, but I can't figure it out. Please help. Thanks.

Click here to see answer by Fombitz(2113)

Question 102265This question is from textbook Algebra1
: What is negative two thirds plus negative three fifths?This question is from textbook Algebra1

Click here to see answer by edjones(3297)

Question 103168: Please show me the steps to solving this problem:
-d/7 = -13
Click here to see answer by MathLover1(1183)

Question 103168: Please show me the steps to solving this problem:
-d/7 = -13
Click here to see answer by Fombitz(2113)

Question 103476: -12h = 48

-12h = 48
----- ----
-12 -12
h = -4
is this correct....Thanks
Click here to see answer by doukungfoo(195)

Question 103490: -34 = r/-3

-34 x -3 = r/-3 x -3
102 = r is this correct...Thanks
Click here to see answer by stanbon(26283)

Question 103534: HELLO,HOW DO YOU CHANGE FROM EXPONENTIAL TO RADICAL FORM AND FROM RADICAL TO EXPONENTIAL. CAN YOU GIVE SOME EXAMPLES? THANKS!!!!
Click here to see answer by stanbon(26283)

Question 103741: why is it that a negative plus a negative equal a positive
Click here to see answer by stanbon(26283)

Question 103968:
Click here to see answer by jim_thompson5910(13794)

Question 103019: how would i go about solving this equation
1\5x^1/2 -1=19
Click here to see answer by edjones(3297)

Question 104195This question is from textbook algebra1
: factor each polynomail
m2+16m+64This question is from textbook algebra1

Click here to see answer by checkley75(3666)

Question 104140This question is from textbook the very best coaching & study course gre general test
: Simplify the following expressions

A.) -3^-2
B.) (-3)^-2This question is from textbook the very best coaching & study course gre general test

Click here to see answer by edjones(3297)

Question 104529: Three probelms, two I think I got correct and one I know I didn't.
---------------------------------------------------------------------
Add. Express your answer in simplest form.

(8/s)+(8/(s^2)) I came up with an answer, but it was not in the choices offered, so I haven't got a clue!!! :o(
----------------------------------------------------------------------
Simplify. (a^7b^2)^7
I came up with a^14b^9, correct?
-----------------------------------------------------------------------
Solve by using the quadratic formula. 5x^2 + x = 3
I came up with -1+-sqrt61/10, correct??
Thanks for all the help that is offered!!!

Click here to see answer by edjones(3297)

Question 104591: I asked this earlier. Thanks Ed for replying. I could npt get the site to open where I could say thanks. I got the same answer as you did on the first problem I submitted, however like I stated before it was not an option. Here are all the options I was given. PLEASE help me!!
-------------------------------------------------------------------------
Add. Express your answer in simplest form. (8/s)+(8/(s^2))

A)16/s^2 B)8s+8/s^2 C)8s+8/s D)16/s
-------------------------------------------------------------------------
During rush hour, Bill can drive 15 miles using the side roads in the same time that it takes to travel 10 miles on the freeway. If Bill's rate on the side roads is 8 mi/h faster than his rate on the freeway, find his rate on the side roads.
I answered....rate on side roads = 24, correct?

Click here to see answer by edjones(3297)

Question 104701: Hi there! I am having terrible trouble trying to simplify this expression. Instructions say to simplify and express the answer using positive exponents.
[2x^(3/4)*y^(-1/2)]^(-8)
Click here to see answer by Fombitz(2113)

Question 104734: The directions say, "Simplify each expression." How do you solve the problem r^3t^-7/t^5
I tried dividing the "t"s first. (I though you have to do like terms.) Thanks!
Click here to see answer by duggie(22)

Question 104858: 6(w-5)-3w=w+10
Click here to see answer by Earlsdon(4900)

Question 105245: Solve the following proportion for y:
the fraction Y over 6 = the fraction of y + 1 over 4

Click here to see answer by edjones(3297)

Question 105377: 32^(-4/5)
Click here to see answer by HyperBrain(694)

Question 106011: please help me...i'm getting sick with this problem.....

Click here to see answer by chitra(359)

Question 106097: -47w = 40 + 13w
Click here to see answer by MathLover1(1183)

Question 106162: Find the value of 7 to the -3.
(7 with -3 exponent)
Click here to see answer by stanbon(26283)

Question 106245This question is from textbook teach yourself algebra
: x I understand from the book I have that when simplified you get the followin results: x = I understand how the letters are cancelled out what I do not understand is why the numbers6 and 3 disappear, the 14 halves to 7 and the 2 does not change? Pleae could you help me?This question is from textbook teach yourself algebra

Click here to see answer by edjones(3297)

Question 106302: Solve for s
S=2n+2v
Click here to see answer by elima(1433)

Question 107032: Stepdaughter called from Oregon with this problem....

3x + y =18
----------
x +3y = 14
Click here to see answer by scott8148(3382)

Question 107400: a-8/12=2a+5/3
Click here to see answer by checkley75(3666)

Question 107586This question is from textbook College Preparatory Math Algebra 2
: I need to solve an equation where the exponent is the variable, and obviously I can't figure it out properly. I can get the correct answer by guessing but not with proper techniques. Can anyone help show me the correct method? The problem is solve for x given 8^x=4. Thank you.This question is from textbook College Preparatory Math Algebra 2

Click here to see answer by josmiceli(3012)

Question 108623: -9^-3/2
Click here to see answer by checkley71(8405)

Question 108832: Express to a positive exponent then find its value
(2/3)^-2
Click here to see answer by stanbon(26283)

Question 109047: Perform the indicated operations:
(5x2 – 3x + 2) + (-3x2 – 5x – 8) – (x2 + 3x – 10)

Click here to see answer by stanbon(26283)

Question 109049: Multiply:
(4x + 1)(2x2 + x + 1)

Click here to see answer by stanbon(26283)

Question 109048: Use FOIL to multiply:
(5x – 8)(x – 7)

Click here to see answer by stanbon(26283)

Question 109048: Use FOIL to multiply:
(5x – 8)(x – 7)

Click here to see answer by Demi5000000(8)

Question 109046: For f(x) = 2x – 11, find f(2)
Click here to see answer by bucky(1732)

Question 109045: Convert to scientific notation (here you may use x as multiplication):
0.000347

Click here to see answer by stanbon(26283)

Question 109129: What is answer for (8b to the second power)(2b to the -8)(2b to the 6)
Click here to see answer by MathLover1(1183)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395