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

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Question 13770: The slope-intercept equation of the line through the points (7.1,-8.3) and (-2.5,6.7) is y=mx+b.
Where m= 15/-9.6 and b=?
Click here to see answer by Alwayscheerful(414)

Question 13768: here is my question, the coordinates of the point have equal absolute value, the point is in teh second quadrant, and the distance of the point from teh origin is 2. x= and y= .
Click here to see answer by glabow(165)

Question 13749: Hey I also have another question I am so sorry. But I don't understand what or how I would do this.
Write an equation of the line that passes through (6,-10) and is perpendicular to the line that passes through (4,-6) and (3,-4).
I have another one that looks similar only it deal with Parallel. so I figure if I get the perp. one then I should be able to figure out how to do the Parallel one. right?
Click here to see answer by longjonsilver(2297)

Question 13745: I have not really been to good at math and I never had a good Alg. teacher b/c they all quit or something happend so we were stuck w/diff. subs and they didn't make us do hw b/c they didn't understand Alg either. So question is for this Alg. 2 assign. deals w/equations of Lines
Going by 3's
there is a graph-- there is a pt on --going across -9 and down -6
then there is another pt. --going across -12 and down -18
it's asking to write an equation of the line. I don't know exactly how to interpret the graph b/c graphing for me is hard (to understand.)
P.S. My teacher said to use the y-y=m(x-x) formula but I am just totally confused please help me it would be greatly appreciated so I can do the other prob. I am having troubles w/.
Click here to see answer by longjonsilver(2297)

Question 13029: how do you solve this problem?
y=3(6x-1)
Click here to see answer by LilSkittleMd(119)

Question 13887: It says to solve the system of equations using the substitution method.
x+y=1
3x+4y=1
I think I'm supposed to see what X and Y are equal to, but I keep getting some pretty messed up answers.
Click here to see answer by elima(1433)

Question 13911: 11-5y<-77, how do I get the y by itself? Do I add 5 on each side? Please help me! I am so thankful I found this website:)!
Click here to see answer by rahman(247)

Question 13345: When would you want to use the slope-intercept versus the point-slope form of a line?

Click here to see answer by LilSkittleMd(119)

Question 14048: what is the answer for y=3x+1
Click here to see answer by elima(1433)

Question 14131: Here is the question
I just don't have any idea where to start...
The lines y=6x + 15 , y=0 , and x=0 enclose a triangular region. Find the area of the region.
Thanks
Click here to see answer by longjonsilver(2297)

Question 14299: Find an equation for the line with the given property. Express answer in general form and slope-intercept form of the equation of a line.
Problem
Perpendicular to the line x = 8; containing the point (3,4)
Click here to see answer by Alwayscheerful(414)

Question 14162: I'm back!! one more question here. How do I write the equation of the line that passes through point (0, 4) with a slope of -7/2? I am so confused on this. thanks for your help.
Click here to see answer by LilSkittleMd(119)

Question 14353: Instructions: Find an equation for the line with the given properties.Express answer in general form or slope-intercept form of the equation of a line.

Problem: Find the equation of the line having a slope of zero and containing the point (3,8).
This is what I did. Please tell me where I went wrong.
1.) y-8=0(x-3)
2.) y-8=0 (answer)
Click here to see answer by Earlsdon(6294)

Question 14452: Please help me with this problem. I can't figure it out. Here is the problem:
The line through points (a,b) and (c,d) has slope m = _________,
provided a is not equal to c.

Click here to see answer by Earlsdon(6294)

Question 14564: Given the equation y= -3/2x + 4. Graph the equation.
Click here to see answer by Alwayscheerful(414)

Question 14610: Please help with this inequality: 8.9k is greater or less than 17.8
thanks!
Click here to see answer by longjonsilver(2297)

Question 14610: Please help with this inequality: 8.9k is greater or less than 17.8
thanks!
Click here to see answer by glabow(165)

Question 14607: Please help me with this inequality: 56<14t
thank you!
Click here to see answer by glabow(165)

Question 14611: Please help me with this inequality:X divided by 2 is less than or greater to 52
Thank you very much!
Click here to see answer by glabow(165)

Question 14609: please help with this inequality: x + 3.4 > 5.8
thank you!
Click here to see answer by glabow(165)

Question 14608: PLease help me with this inequality: n-34 is less than or greater to 16
thanks a lot!
Click here to see answer by glabow(165)

Question 14606: Please help me find the inequality for: 22is less then or greater to b+22
Click here to see answer by glabow(165)

Question 14605: Please help me solve this inequality: s-4>9
Click here to see answer by glabow(165)

Question 14361: Find the slope and y-intercept of this line and graph it: 3x+2y=6
Click here to see answer by Alwayscheerful(414)

Question 14875: y = -4x + 3
Click here to see answer by jb007mi6(53)

Question 14475: 6y-7 is less than -2y + 13
Click here to see answer by Drpengui(15)

Question 15047: Hello
I am trying to go back to school I have never liked math. Now that I need to take a test to enter college I am confused I have the THEA guide book. But they really don't explain to well the problems. Anyways I am trying to figure this out 2x+3y=6 I need to graph but first I need to solve for x and then solve for Y. Please I hope you can help me!!!!
Click here to see answer by rapaljer(4671)

Question 15044: Hi.
I have a question about solving linear equations. How would you solve X+Y=4? If you can help me solve just that one, then Ill know how to do the rest.
Thanks Alot
Sara
Click here to see answer by rapaljer(4671)

Question 15120: What is the DOMAIN and RANGE for the following equations:
1) y = 3x - 4
2) y = -2x^2 + 2
3) y = x^3
I know how to graph I understand all that but I don'T know how to determine the range and domain, are they looking for number pairs????
Thanks
Click here to see answer by venugopalramana(3286)

Question 15185: I am having problems graphing inequalitys on a plane. I never know which side to shade. I just don't understand this concept.
Click here to see answer by rapaljer(4671)

Question 15324: Y=Mx+B
WHEN 2X-5Y+10 HELP
Click here to see answer by LilSkittleMd(119)

Question 15685: graph y<-2x+4
Click here to see answer by rapaljer(4671)

Question 15647: 3x-2=y
Click here to see answer by schragermath(3)

Question 15762: please help me on this one.. if 2t + 3 = -9 what is the value of -3t - 7.....theres one and the next ? is solve 2x - 4 = 7 justify each step

Click here to see answer by pwac(253)

Question 15761: i really need help......please somebody help me
5n+1 divided by 8 =1/2

Click here to see answer by pwac(253)

Question 15752: 5n+1/8=1/2

Click here to see answer by elima(1433)

Question 16201: please can you answer ..... 3M x 4N
thanks
Click here to see answer by elima(1433)

Question 16396: Jake paid $100.70 including 6% tax for a color printer. How much did the printer itself cost?
Three consecutive integers are such that the first plus 1/2 the second plus 7 less than twice the third is 2,101. What are the integers?
I am having problems knowing what formulas to use and how to use them. The teacher I have is very vague in her explanations and uses book samples. Thus, I'm having a hard time completing assigned homework. Can you please tell me how to do the above? Thanks a lot, Tom
Click here to see answer by askmemath(368)

Question 16432: Please help me find the domain and range of each function:
{(-2,3),(4,5),6,7)}
Thank You
Click here to see answer by rapaljer(4671)

Question 16436: Can you please help me with these two questions?
1.Tell whether the equation determines y to be a function of x. Problem: y=3+7x^2
2. Find g(w) and g(w+1) Problem: g(x)=3x-5
Thanks
Click here to see answer by venugopalramana(3286)

Question 15817: How do you convert Standard-Form(Ax+By=C) Slope intecept form (y=mx+b).
Click here to see answer by venugopalramana(3286)

Question 16554: Can you please help me with these two problems. Graph each equation: y=-3x+2. I am having a hard time understanding the x,y charts. Any tips?
And 3x+4y-8=0
Thank You
Click here to see answer by rapaljer(4671)

Question 16555: Can you please help me with this problem: Find each value given that f(x)=2x+1
f(3)+f(2).
And: Find the domain and range of f(x)= 1/x-4. I know the domain is x and the range is y, but how do I figure it on a fraction?
Thank You
Click here to see answer by venugopalramana(3286)

Question 16594: 5=4{6)+b
Click here to see answer by King Pin(1)

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