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

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Algebra: Graphs, graphing equations and inequalities

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Question 8753: How do I graph this problem?
x + y < 1
Click here to see answer by FSAN85(6)

Question 8967: By how much should a mechanist decrease the lenght of a rod that is 4.78 cm long if the lenght must be 4.5+_ 0.02 cm?
Click here to see answer by DWL(56)

Question 9285: Find the equaton of the line through the points (-3,1)&(5,-5). Write your solution in each of the three forms.
Click here to see answer by askmemath(368)

Question 9625: I have this problem that says can you find the slope of the line passing through (6,-2) and (-8,-2)? Why or why not?
Click here to see answer by askmemath(368)

Question 9625: I have this problem that says can you find the slope of the line passing through (6,-2) and (-8,-2)? Why or why not?
Click here to see answer by rapaljer(3625)

Question 9824: I need help solving multi-step inequalities. Like ((( -3f-7>-f+9)))
Click here to see answer by huntingmaster325(15)

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/{x²-1)}-{(x+3)/(x²-x)}=-3/(x²+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(4900)

Question 10275: how would you graph 3x-y=7?
Click here to see answer by rapaljer(3625)

Question 10261: y=5/6x-4
Click here to see answer by rapaljer(3625)

Question 10360: which of the following points lie on the graph of the function X+3y=-7
Click here to see answer by arunpaul(104)

Question 10565: What is the slope of X=-2
Click here to see answer by rapaljer(3625)

Question 10570: slope=2, y-intercept=-9
Click here to see answer by rapaljer(3625)

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(3625)

Question 10543: Rewrite -4>x>greater than or equal to -12 using interval notation.
Click here to see answer by rapaljer(3625)

Question 10616: What is the slope of the line that passes through (-2, -3) and (-5, 2)?

Click here to see answer by gudie(3)

Question 10759: can you help me solve this problem find three consecutive integers whose sum is
96
Click here to see answer by prince_abubu(198)

Question 10769: How do I graph the equation y=2/3x -4
Click here to see answer by rapaljer(3625)

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(3625)

Question 10757: can you help me solve this problem find three consecutive integers whose sum is
96
Click here to see answer by WannabeCAgirl83(35)

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(4900)

Question 10922: How do I graph 4x - 5
Click here to see answer by rapaljer(3625)

Question 10981: Explain and demonstrate difference between discrete data graph and continous data graph.
Click here to see answer by rapaljer(3625)

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(3625)

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 11282: Hello I really need the answer for 1.666is nless than or greater than 1.67
Click here to see answer by askmemath(368)

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

Question 11508: y=x-1
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(4900)

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(4900)

Question 11973: very new at algebra. trying to do this problem, not sure if correct. Will show how we did it. The steps are hard to figure out. Need your help please. Don't know enough about algebra to know if we even typed in the correct topic.
7m(-3n)+3m(-4n)
(10m)(12n)
I am the mom, so if you could help, it would be appreciated.
Click here to see answer by Earlsdon(4900)

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(3625)

Question 12033: Please could somebody help with this?
Where the line of y=2*x+4 crosses the curve of y=x^2+4*x+3.How do you find the
exact coordinates of these points besides reading it off graph?
Thank You
Click here to see answer by rapaljer(3625)

Question 12038: how do you find out the equation of a graph?
Click here to see answer by rapaljer(3625)

Question 12070: Find the slope of the line and sketch the graph
-3y=-2x-8
Click here to see answer by longjonsilver(2297)

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