Questions on Algebra: Rational Functions, analyzing and graphing answered by real tutors!

Tutors Answer Your Questions about Rational-functions (FREE)

Question 432622: Which function has a hole in its graph?
A. A(x)= (x^2-4x+4)/((x-2))
B. A(x)= (x^2+4x+4)/((x-2))
Click here to see answer by rwm(914)

Question 433293: Find the slope and y-intercept of the line. Write fractional answers in lowest terms.
2y + 6x + 7 = 9 + 6x
Click here to see answer by algebrahouse.com(1079)

Question 433296: Find an equation of the line having the given slope and containing the given point. Express your answerin the form x = a, y = b, or y = mx + b.
m = -7, (5,0)
Click here to see answer by algebrahouse.com(1079)

Question 433464: subtract. simplify by collecting like radical terms if possible.
9 sqrt 45 - 3 sqrt 5 =
Click here to see answer by jorel1380(2518)

Question 433464: subtract. simplify by collecting like radical terms if possible.
9 sqrt 45 - 3 sqrt 5 =
Click here to see answer by stanbon(57347)

Question 433511: Find the slope of the line containing the pair of points.
(-17.6, 4.1) and (-17.1, 3.2)
Click here to see answer by belle3833(46)

Question 433517: factor completely
4r^2 - 121
Click here to see answer by belle3833(46)

Question 433539: 1. multiply
(-4t)^2(2t^9)^2
2. find the following
^16 sqrt (-6)^16
Please Help!!! Thank You!!!
Click here to see answer by rfer(12660)

Question 433539: 1. multiply
(-4t)^2(2t^9)^2
2. find the following
^16 sqrt (-6)^16
Please Help!!! Thank You!!!
Click here to see answer by algebrahouse.com(1079)

Question 433547: Solve 15x^4-14x^2+3=0
Click here to see answer by rwm(914)

Question 433706: im not sure how to put the cube root sign in, but the question im having problems on is adding these two expressions... cubed root of 4a^6 and cubed root of 108a^3 (all under radical) im not sure if you can combine the 108a
^ and the 4a^6 because they have different exponents..my assignment is DUE TOMMARO
Click here to see answer by psbhowmick(529)

Question 433842: subtract. simplify if possible Please Help!!!
6-w/w-7 - 3w-7/7-w
Click here to see answer by shree840(260)

Question 433867: multiply
(2 sqrt 6 - 4 sqrt 5) (3 sqrt 6 + 6 sqrt 5)
please help, Thank You
Click here to see answer by stanbon(57347)

Question 433877: Multiply
(b + 1/4) (b + 1/2)
Stuck please help thank you
Click here to see answer by josmiceli(9680)

Question 433880: Solve
5/v = 6/v - 1/3
Please Help, Thank You!!!
Click here to see answer by josmiceli(9680)

Question 434557: Please help me solve this question: write in standard form 3i105+5i73-2i119
Click here to see answer by stanbon(57347)

Question 434680: When solving a rational equation, why is it necessary to perform a check?
Click here to see answer by nerdybill(6959)

Question 434681: how do you solve this expression withouta calculator
1\(3-root2) + 1/(3+root2)
im getting zero but its not the answer when i punch it into my calculator
Click here to see answer by solver91311(16885)

Question 434732: what is the answer to, y=70+18(x)

Click here to see answer by jorel1380(2518)

Question 435599: if a cirlce has (-2,-3) and (6,1) as endpoints of its diameter where does the circle cross the y-axis?
Click here to see answer by Alan3354(30993)

Question 435719: How do you reduce an algebraic fraction?
Click here to see answer by Alan3354(30993)

Question 435787: how do I solve this equation?
15/v-3 - 15/3-v
Click here to see answer by Gogonati(809)

Question 435914: asymptotes
f(x)=(3x^2-7x-6)/(2x^2-18)
Click here to see answer by richard1234(5390)

Question 435914: asymptotes
f(x)=(3x^2-7x-6)/(2x^2-18)
Click here to see answer by stanbon(57347)

Question 436341: express in simplest form: (1/r-1/s)/(r>2/s>2-1)
Click here to see answer by stanbon(57347)

Question 436273: Create a Euler diagram to determine whether the syllogism is valid or invalid
All children like games.
John likes games.
John is a child.
Click here to see answer by MathLover1(6634)

Question 436461: Determine if any of these are equivalent
I) If the movie is sold out, then we will not see the movie on opening night.
II) Either the movie is not sold out or we will not see the movie on opening night.
III) Either the movie is not sold out or we will see the movie on opening night.
Click here to see answer by rfer(12660)

Question 436507: What is X divided by Y?
Click here to see answer by Adam(64)

Question 436758: 4x^2+7x=11
Click here to see answer by Earlsdon(6287)

Question 436859: Please help me solve this rational expression.
Three over n-1 = n over n+4
Click here to see answer by stanbon(57347)

Question 436808: need help with algebra problems
Click here to see answer by Alan3354(30993)

Question 436886: Please help me solve this equation:
Thank you
Click here to see answer by stanbon(57347)

Question 436886: Please help me solve this equation:
Thank you
Click here to see answer by Gogonati(809)

Question 436969: "Find the equation of a line that passes through (3, -5) and whose slope is -(3/7)". I really need this ASAP. Thanks.
Click here to see answer by ewatrrr(10682)

Question 437383: for what value of x is this rational expression equal to zero
x - 4/(x+5)(x-1)
Click here to see answer by solver91311(16885)

Question 437467: Please explain in words how to determine the equation of the horizontal asymptote for the graph of a rational function.
Click here to see answer by solver91311(16885)

Question 437524: Rationalize the denominator. (square root of 5x) - 6 divided by the (square root of 5x) +3
Click here to see answer by solver91311(16885)

Question 437663: Give the equation of the horizontal asymptote, if any, of the function.
G(x) = x(x-1)/x^3+49x
A) y = 0 B) y = 1 C) x = 0, x = -49 D) None
I worked it out like this: x(x-1)/x^3+49x = x^2-x/x(x^2+49) x^2/x^2 y = 1
However, I am not sure if that is correct. What are the correct steps to solve this and what is the right answer?
Thank you very much for your help.
Click here to see answer by robertb(4012)

Question 437666: how do i solve the equation 7=1/w-4?
Click here to see answer by robertb(4012)

Question 437874: what conic does the equation x^2/16+ y^2/4=1 represent? hyperbola,circle,parabola, or ellipse

Click here to see answer by ewatrrr(10682)

Question 435518: how do you graph y= x^2/2 -5?
Click here to see answer by ewatrrr(10682)

Question 437941: Find the center and foci of the ellipse:
(x-1)2 + (y+6)2
------- -------=1
13 49
I think the answer is center (1,-6) and foci (-7,6), (5,6). Is this correct?

Click here to see answer by ewatrrr(10682)

Question 437945: Find the center and foci of the hyperbola.
(y+6)2 - (x-8)2
------ -----=1
9 16
need help with the answer.
Click here to see answer by stanbon(57347)

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