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

Tutors Answer Your Questions about Rational-functions (FREE)

Question 61457: we have to do long division and show our work i've done some but I think i might of messed up:
problem: x(to third) + x(squared) -4x - 4 divided by x+2
Click here to see answer by funmath(2925)

Question 58801: When a polynomial with a "-" (negative) sign on the last term is factored, what is always true about the signs of the factors?
both positive
both negative
one positive and one negative
the signs do not matter

Click here to see answer by sweet_n_snistr(1)

Question 61455: Divide:
5y(to the third) + 6y(squared) -3y divided by -y
i'm not sure how to do this even though i'm sure its pretty simple!
Click here to see answer by funmath(2925)

Question 61482: Find the slope of a line containing these points.
(5,-2) & (-3,2)
Click here to see answer by checkley71(8403)

Question 61481: What is the y-intercept of this equation:
y = 2x + 5
DO NOT WRITE AS AN ORDERED PAIR
Click here to see answer by checkley71(8403)

Question 61481: What is the y-intercept of this equation:
y = 2x + 5
DO NOT WRITE AS AN ORDERED PAIR
Click here to see answer by DJ_Sammie(24)

Question 61480: Find the x intercept of this equation:
2x + 3y = 12

Click here to see answer by checkley71(8403)

Question 61479: A line which contains these points: (-3,3) &
(-8,-2) would have a slope of _________?
(simplify your answer)
Click here to see answer by DJ_Sammie(24)

Question 61479: A line which contains these points: (-3,3) &
(-8,-2) would have a slope of _________?
(simplify your answer)
Click here to see answer by checkley71(8403)

Question 61478: What is the slope of a line that with the points (2,4) and (4,-2)?
Click here to see answer by DJ_Sammie(24)

Question 61476: y = -5x + ½
what is the slope?
Click here to see answer by DJ_Sammie(24)

Question 61471: Find the vertex of the parabola whose equation in standard form is y = x2 + 8x - 1
(-8, -17)
(-8, -1)
(-4, -1)
(-4, -17)
(4, -17)

Click here to see answer by venugopalramana(3286)

Question 61470: The graph of the parabola y = -2(x -1)2 + 3 is symmetric about a line. What is the equation of that line?
x = -1
x = 0
x = 1
x = 2
y = 0

Click here to see answer by venugopalramana(3286)

Question 61469: If y = 3x2 - 6x - 4 is put into general form, what is the value of "a" ?
-4
-1
2
3
none of these
Click here to see answer by funmath(2925)

Question 61468: State the coordinates of the vertex of the parabola whose equation is
y = 3(x - 2)2 + 5
(-2, -5)
(-2, 5)
(2, -5)
(2, 5)
none of these
Click here to see answer by funmath(2925)

Question 61512: Use calculus to determine the relative extrema of f(x)=x-lnx
Find the equation of the tangent line at x=1
please help, i'm so confused!
Click here to see answer by venugopalramana(3286)

Question 61609: please help me . given the function g(x)= x-3 over xsquared-x-6
a.factor the denominator.find values of x

THIS DID NOT COME FROM A BOOK
Click here to see answer by josmiceli(9649)

Question 61752: use synthetic division:
Problem: x(to the third) -2x(squared) -x +2 divided by x-2
the answer I got was:
x(squared) + x +4/x-2
but i'm not sure if I did it right, please help!
Click here to see answer by stanbon(57219)

Question 62056: x^-2=4
Click here to see answer by Nate(3500)

Question 62054: An investment of $10,000 in 1997 in the Spartan Investment Grade Bond Fund grew to $14,309.61 in 2002. Use the formula r = (S/P)^1/n -1 to find the 5-year average annual return.
Click here to see answer by stanbon(57219)

Question 62083: what is the axis of symmetry -x^2+4x-6

Click here to see answer by rchill(405)

Question 62142: Find the domain of, R(x)=(x-4)/(x^2+2x-15)
Click here to see answer by stanbon(57219)

Question 62139: sqrt(2x+3) - sqrt(x+1) = 1, solve for x ( could be 2 solutions)
Click here to see answer by joyofmath(189)

Question 62177: SQRT(3X+1) - SQRT (X-1)= 2, SOLVE COULD BE 2 ANSWERS
Click here to see answer by joyofmath(189)

Question 62138: Solve:(7x-1)^(1/3)= 3, solve for x
Click here to see answer by kapilsinghi(68)

Question 62209: sqrt2x+4=Sqrt(x+3)+1
Click here to see answer by joyofmath(189)

Question 62290: this is for college algebra: find a polynomial of lowest degree that has real coefficients, a leading coefficient of 1, and with 5-2i and 3 as two of its zeros
Click here to see answer by stanbon(57219)

Question 62289: this is for college algebra: verify that 3i is a zero of p(x) = x^3- 5x^2 + 9x - 45 and then proceed to use the conjugate pair theorem to find the remaining zeros
Click here to see answer by stanbon(57219)

Question 62286: this is for college algebra graph: F(x)= -2/x-3 that is -2 over x-3
Click here to see answer by funmath(2925)

Question 62331: sqrt(3x-5) - sqrt(x+7)=2 solve for x...may be more than one answer
Click here to see answer by jai_kos(139)

Question 62287: this is for college algebra graph: F(x)= x^2/x^2+1 that is x squared over x squared plus 1
Click here to see answer by tutorcecilia(2152)

Question 62422: this is for college algebra graph: F(x)= -2/x-3 that is -2 over x-3: this is for college algebra graph: F(x)= -2/x-3 that is -2 over x-3

Click here to see answer by funmath(2925)

Question 62428:
Click here to see answer by funmath(2925)

Question 62445: Let g(x) = x^2 and h(x) = x+2/3. Find the composition function (goh)(x). need help! thanks
Click here to see answer by stanbon(57219)

Question 62444: needed help!
determine whether the function {(13,0), (10,-9), (9,-10)} is invertible. If it is, then fin the inverse.
thank you so much
Click here to see answer by stanbon(57219)

Question 62448: Find the quotient 3-i/4+2i thanks alot
Click here to see answer by uma(370)

Question 62450: Find the value of the discriminant b^2-4ac and the number of real solutions for the equatin -x^2+11x-29=0 can not seem to get this one.
Click here to see answer by stanbon(57219)

Question 62450: Find the value of the discriminant b^2-4ac and the number of real solutions for the equatin -x^2+11x-29=0 can not seem to get this one.
Click here to see answer by uma(370)

Question 62303: this is for college algebra: verify that 3i is a zero of p(x) = x^3 - 5x^2 + 9x - 45 then use the conjugate pair theorem to find the remaining zeros
Click here to see answer by ankor@dixie-net.com(15624)

Question 62484: Solve 3x(to the 3rd)+7x(squared)-22x-8=0, given that negative one third is a solution.
Click here to see answer by stanbon(57219)

Question 62483: Given f of x = 2x(to the 3rd)-7x(squared)+9x-3, us the remainder theorem (synthetic division) to find f of (-4).
Click here to see answer by stanbon(57219)

Question 62482: Divide by synthetic division. Be sure to state your answer as a polynomial.
3x(to the 4th)+11x(to the 3rd)-20x(squared)+7x+35 divided by (x+5)
Click here to see answer by stanbon(57219)

Question 62316: How do you graph these functions:
g(x)=f(x-4)-5
g(x)=2f(x)
g(x)=-f(x)+5

Click here to see answer by funmath(2925)

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