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

Tutors Answer Your Questions about Graphs (FREE)

Question 584033: i need help with
2(x+1)+5=23
Click here to see answer by rfer(16322)

Question 584239: 7x-7/2< 4x+4
Click here to see answer by stanbon(75887)

Question 584293: what does the graph for -2x + 3y = 1 look like?
Click here to see answer by solver91311(24713)

Question 584416: Graph the line with the given point and slope. The line through (-3,3) with slope 6/5.
Click here to see answer by josmiceli(19441)

Question 584417: Solve the system ( use matrix method)
x+2y=3
x-2y=-1
Click here to see answer by Alan3354(69443)

Question 584821: Find the slope of the line through (5,8) and (-1,6)
Click here to see answer by solver91311(24713)

Question 584929: Describe what the graph of interval [-4,10] looks like.
Click here to see answer by jim_thompson5910(35256)

Question 585068: y=1/3x-4
Click here to see answer by unlockmath(1688)

Question 585068: y=1/3x-4
Click here to see answer by jim_thompson5910(35256)

Question 585192: 6x-x=70
solve for x
Click here to see answer by jim_thompson5910(35256)

Question 585204: Write the equation of the line through P(3, -5) and parallel to x+y =3 in slope intercept form
Click here to see answer by mananth(16946)

Question 585279: what is the slope intercept of -x/3+y/2=1?
Click here to see answer by dfrazzetto(283)

Question 585447: 6x -y =-8
2x + y =-16
im getting stuck the first step!
try to solve by elimination method
Click here to see answer by jim_thompson5910(35256)

Question 585471: What are the steps to graphing an equation? Thank You.
Click here to see answer by Alan3354(69443)

Question 585819: solve each equation for the variable show your work
(c-2)(c-4)=0
Click here to see answer by jim_thompson5910(35256)

Question 586236: find the center and the radius of the circle
(x + 4)2 + (y - 5)2 = 36
Click here to see answer by scott8148(6628)

Question 586416: The town recreation department ordered a total of 100 balls and bats and hats for the summer baseball camp. Balls cost $4.50 each, and bats cost $20.00 each. The total purchase was $822. How many of each item were ordered?
Click here to see answer by stanbon(75887)

Question 587085: How do you graph y=3/4x-2

Click here to see answer by xdragonfight(116)

Question 587380: WHAT IS THE SLOPE AND Y INTERCEPT OF 4y-5x=7+9y-2
Click here to see answer by solver91311(24713)

Question 587825: 2x-y=7
x+2y+6
I kind of get how to do this but i dont know where they get the numbers for x, and y
Click here to see answer by Alan3354(69443)

Question 587901: Can you please help. Whats the slope of (7,0),(-6,7)
Click here to see answer by josmiceli(19441)

Question 588033: use elimination to slove each system of equations
3x+1=-7y
6x+7y=0
Click here to see answer by Alan3354(69443)

Question 588190: find the x and y intercepts -5x+9y=-45
Click here to see answer by mananth(16946)

Question 588217: I have tried to do this question a a lot of time but My answer and the Graph is not coming the Right way... so please help me.
this is the Question:
Concavity of the parabola representing the quadratic function, its y intercept and x intercepts if any exist, and the coordinates of the vertex. sketch the parabola
f(x)=2x^2+4.
Click here to see answer by ankor@dixie-net.com(22740)

Question 588386: Solve by elimination method.
2x+3y=5
4x+6y=10
Click here to see answer by oscargut(2103)

Question 588848: Draw graph 8y is less than or equal to -4x MANY THANKS!!!
Click here to see answer by Edwin McCravy(20055)

Question 589090: What is the slope of (2,3)and (9,-5)?
Click here to see answer by lwsshak3(11628)

Question 589089: How do I graph the line and find the slope of (2,3) and (-6,-3)?
Click here to see answer by lwsshak3(11628)

Question 589106: How do I graph the line whose equation is y=-4+1
Click here to see answer by josmiceli(19441)

Question 589261: Hi, i'm having a brain lapse. Just wondering how to figure out the standard form of a graph from two points. (6,4) (-5,3)
Thanks
Click here to see answer by solver91311(24713)

Question 589338: Find the x and y intercepts and graph the equation plotting the intercepts. Please show all of your work. Submit your graph to the Dropbox.-5x+-8y=-40
Click here to see answer by nyc_function(2741)

Question 588893: I apologize if this is the wrong section. I just recently got back into school and taking a math course currently and I just got stuck on a question. These type of problems is where I get confused about.
The problem is:
Find the range of y=f(x) and graph it.

f(x){-1/4(x) if x cannot = to 0; -6 if x=0}

I appreciate it as this will help me with the next few problems.
Click here to see answer by KMST(5328)

Question 589753: Hi,
Could u pls help me with this:
Find a number that is between : 3/7 & 5/11
Thanks a lot,
H.H
Click here to see answer by Alan3354(69443)

Question 590050: a man is 9 times as old as his son. in nine years, he will be only three times as old as his son. how old are each now?

Click here to see answer by jtj(1)

Question 590084: A gas station sells 900 gallons of gasoline per hour if it charges $ 2.15 per gallon but only 800 gallons per hour if it charges $ 2.40 per gallon. Assuming a linear model
(a) How many gallons would be sold per hour of the price is $ 2.35 per gallon?
(b) What must the gasoline price be in order to sell 1600 gallons per hour?
(c) Compute the revenue taken at the four prices mentioned in this problem -- $ 2.15 , $ 2.35 , $ 2.40 and your answer to part (b). Which price gives the most revenue?
Click here to see answer by josmiceli(19441)

Question 590293: what does y=x^3 look like on a graph
Click here to see answer by Earlsdon(6294)

Question 590300: Please Help me.
write an equation and graph it

1.) A quadratic function with x-intercept (3,0)and(-6,0)and y-intercept (0,-5)
5.) A cubic function with x-intercept (1,0)(-1/2,0)and(1/4,0)and y-intercept(0,2)

Click here to see answer by KMST(5328)

Question 590500: Hello, tutor
well, i just was looking at my Algebra homework and i was looking online until i saw this website but anyways do u think you can help me with parabolas? please and Thank You
Click here to see answer by richwmiller(17219)

Question 590780: the elimination method show work if the system has no solution or an infinite number of solutions state this
3x - 2y = 11
6x + 11y = 97
Click here to see answer by jim_thompson5910(35256)

Question 590778: using the elimination method if the system has no solution or an infinite number of solutions
-7x- y = -30
4x + y = 21
Click here to see answer by jim_thompson5910(35256)

Question 590779: The point (3,2) lies on thee line 11x - 6y = 21 determine if this point is a solution of the system 11x -6y = 21 9x +8y = 43
Click here to see answer by Alan3354(69443)

Question 590906: What is the slope of the line that contains the points (3, 4) and (1, 2)?
Click here to see answer by jim_thompson5910(35256)

Question 590906: What is the slope of the line that contains the points (3, 4) and (1, 2)?
Click here to see answer by josmiceli(19441)

Question 591015: use the intercept to graph the equation x-5=y
Click here to see answer by stanbon(75887)

Question 590995: how can I graph this equation? x=9/2

Click here to see answer by Alan3354(69443)

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