Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 10088: I am in an economics class and i have to graph two lines represented by these equtions.
(Q=Y , P=X)
Q=24000-500P
Q=6000+1000P
i know tht i have to use y=mx+b to find the slope and that in the first one 24000 should be the y intercept . wha scale should tbe x axis be on . pleas tell me if this makes any sense to you .
thanks for your help.
John
Click here to see answer by longjonsilver(2297)

Question 10092: How do I find the vertex and intercepts for the two quadratic functions listed below? How do I sketch and Graph them as well.

a. y=x^2+4x
b. y=-2x^2+8x
Click here to see answer by longjonsilver(2297)

Question 10073: I need to find the equation for this. This is what they gave me
(-2,-5) (-1,-3) (0, -1) (1, 1) (2, 3)
Please help me
Click here to see answer by longjonsilver(2297)

Question 10105: Hi, I am doing well but am stuck on this problem (after 45 minutes and 3 different answers) - {x/{x�-1)}-{(x+3)/(x�-x)}=-3/(x�+x) The book says the answer is (-6), but I don't see how. Thanks in advance for your help!
Click here to see answer by longjonsilver(2297)

Question 10203: Find the points of intersection of the graphs.
x^2 - y^2 - 2x + 2y = 0
4x^2 + y^2 - 8x = 0
Please and thank you
Click here to see answer by khwang(438)

Question 10149: This is a yes or no question. Determine if the line through P1 and P2 is parallel to the line through Q1 and Q2.
P1(2,1), P2(3,4); Q1(-2,1), Q2(2,2)
Click here to see answer by Earlsdon(6294)

Question 10261: y=5/6x-4
Click here to see answer by rapaljer(4671)

Question 10360: which of the following points lie on the graph of the function X+3y=-7
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Question 10565: What is the slope of X=-2
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Question 10570: slope=2, y-intercept=-9
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Question 10553: For the eqation x^2(y)=2, when either x or y is equal to zero the solution is invalid. My question is what would this equation look like?
Click here to see answer by rapaljer(4671)

Question 10543: Rewrite -4>x>greater than or equal to -12 using interval notation.
Click here to see answer by rapaljer(4671)

Question 10767: Im new and having trouble on this problem: Find the slope and y-intercept for each line that has a slope and Y-intercept. x+y=5
Click here to see answer by rapaljer(4671)

Question 10758: what is the absolute value of negative 12
Click here to see answer by mathwhiz(13)

Question 10900: 4x-2
---- > -4
5
Please help me answer this guestion: 4x-2 all over 5 greater than or equal
to -4
Click here to see answer by Earlsdon(6294)

Question 10922: How do I graph 4x - 5
Click here to see answer by rapaljer(4671)

Question 10944: 3<2x+11<17 -- I understand how to solve for x, but I do not know how to graph on a number line since x appears twice with two numbers.
Click here to see answer by rapaljer(4671)

Question 11186: a student has test grades of75 and82. What must he get on a thrid test to have a average of80 or higher?
Click here to see answer by longjonsilver(2297)

Question 11178: It's been a while since I've taken any algebra class, so most of my problems revolve around a single missing part of the process. My only access to the internet right now is via my cell phone. I apologize for not using your preferred bracket method to point out the problem. I will display the problem the best I can.
(I'm not sure about the n; (could be pie?), the type on the sheet is a bit messed up. I'll use "�" to represent an exponent.)
Here's the problem:
((( Find f(n�r/4) if f(x) =
(-2 sin (2x))/3 + (5 cos (4x))/6 )))
The answer I have is (-3/2). I just have no idea how to get it.
Click here to see answer by longjonsilver(2297)

Question 11397: 2x-8=y, graph the answer
Click here to see answer by elima(1433)

Question 11756: A number t increased by the sum of seven and the square of another number s is ten
How can i write this question so that it reads as an equation?
Click here to see answer by Earlsdon(6294)

Question 11750: What is an input and output table?
Click here to see answer by elima(1433)

Question 11970: how do you graph y=x-1?
Click here to see answer by Earlsdon(6294)

Question 11984: twenty-minus a number is 42.find the number
Click here to see answer by snh(2)

Question 11984: twenty-minus a number is 42.find the number
Click here to see answer by bailees15(1)

Question 12031: can you show me how to graph this equation
y thank you
Click here to see answer by rapaljer(4671)

Question 12069: find the equation of the line that contains the given points.
(1,3) and (2,4)
Click here to see answer by longjonsilver(2297)

Question 12068: Find the equation of the line that contains the given point and has a the given slope.
(-1,2) m=0
Click here to see answer by longjonsilver(2297)

Question 12067: graph by usinh the slope and y-intercept.
y=-3x-1
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Question 12125: what is the slope formula

Click here to see answer by rapaljer(4671)

Question 12149: I'm not too sure where to begin on this. I am from louisiana but my dad showed me this website that he thinks will help me with my alg. 2. I am having a hard time in alg. 2 right now and the help will be greatly appreciated!! okay here goes the problem.
y=1/4 /x/ (I had to use the slanted lines since there is no signs that can be
used for abosoulte value.)..thank you so much for your time and
effort!
Click here to see answer by i dont like math(2)

Question 12179: I need help graphing y > 1/2x + 5.
Click here to see answer by rapaljer(4671)

Question 12312: I'm stuck. I know how to do parts of the basic equations given to me, but the more complicated ones are giving me trouble. Here's my problem: I have to find the length and midpoint of (a,0) and ,0
Click here to see answer by askmemath(368)

Question 12436: The section I'm working on is linear equations in two variables and their graphs. I need to find the slope of the line that goes through each pair of points...(1/2, 2), (-1, 1/2). I do not understand how to graph this or how to figure the slope. I have the same problem with decimals!! Any suggestions you have would be warmly welcomed!! Thank You, Allison Nilsson
Click here to see answer by Earlsdon(6294)

Question 12572: How would you graph 2x+y=6

Click here to see answer by AdolphousC(70)

Question 12569: Graph the linear system and estimate the solution. Then check the system algebraically.
x+2y=9
-x+6y=-1
Click here to see answer by AdolphousC(70)

Question 12670: 4n-2n = 18
Click here to see answer by AdolphousC(70)

Question 12876: I'm doing solving and graphing inequalities y>2x+3
I have solved a different problem y+4 is greater than or equal to 6 by subtracting 4 from both sides and got the answer y is greater then or equal to 2. But I do not know where to begin with y>2x+3. Please help me explain it to my 13 year old. Thanks in advance. Karen.
Click here to see answer by AdolphousC(70)

Question 12920: What is the slope intercept form of 3y+x-9=0?
Click here to see answer by chicosgurrl(2)

Question 13034: 2y + 9x - 7 y=3 and x= 5
Can you help?
Click here to see answer by pwac(253)

Question 13034: 2y + 9x - 7 y=3 and x= 5
Can you help?
Click here to see answer by curlyq082192(2)

Question 13249: Find all points having an x -coordinate of 2 whose distance from the point (-2,-1) is 5? I think it uses distance formula or a midpoint formula.
Click here to see answer by akmb1215(68)

Question 13406: Your help is appreciated.
Convert equation of the parabola y = -6x^2-6x to standard form and then find the product a x h x k.
Thank you.
Click here to see answer by Earlsdon(6294)

Question 13450: My son missed a class on graphing and shading the solutions. Can you give us a place where we can find this info or do you have a simple explanation of this procedure?
Click here to see answer by rapaljer(4671)

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