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

Tutors Answer Your Questions about Graphs (FREE)

Question 871360: Graph the inequality y ≥ 1/4x^2+x-8 ?
Click here to see answer by Edwin McCravy(20054)

Question 871659: http://tinypic.com/r/hu4ktk/8
Domain and range? Where are they?
Click here to see answer by Fombitz(32388)

Question 871676: http://tinypic.com/r/vignis/8
I believe the answer to be y=8-5x
Correct, for both?
Click here to see answer by josgarithmetic(39617)

Question 871809: Find an equation for the parabola, that has its vertex at the origin and directrix y = 6.
I am still so confused by this. Please can someone explain this.
Click here to see answer by ewatrrr(24785)

Question 872143: I am creating a lesson plan to teach my class. This is a project. I am a sophomore in high school, I am 15 and I am in Algebra 1. I do know how to do these. Can you Please help me?
The instructions are " Decide whether the given point is on the line."
The first problem I have created is 2y-4x=8 (-2,8)
The next section I made is below.
Instructions: "Plot and label the ordered pairs in a coordinate plane."
The problem: A.(0,3)B.(-2,-1)C.(2,0)
Now for the third section and problem I have created
Instructions "Use a table of values to graph the equation."
The problem I made is y=x+4. Please help me so I can do well when i teach the other kids and so I know some what of what I am doing. Thank You! --Danielle
Click here to see answer by Alan3354(69443)

Question 872167: My question is how do you PLOT and LABEL the ordered pairs in a coordinate plane?
I am 15 and I am doing a math project where I have to teach my class how to do this. I don't even understand what I am suppose to be teaching them! So if you can explain it will be greatly appreciated!
The question is A(0,3) B(-2,-1) and C (2,0).
I know how to plot the points but not label them.-- Thank you, Danielle
Click here to see answer by josgarithmetic(39617)

Question 872383: is the graph of y = |x|-5 symmetric with respect to the origin, the x-axis, or the y-axis?
Click here to see answer by stanbon(75887)

Question 872389: Solve the following inequality. Give each result in set notation and graph it. -3<3x<12?
Click here to see answer by Fombitz(32388)

Question 872429: x-5y=-10
Click here to see answer by ewatrrr(24785)

Question 872505: sketch the graph and dash in the asymptote for f(x)=-e^x
Click here to see answer by Fombitz(32388)

Question 872676: what is the graph of 4n^2
Click here to see answer by Fombitz(32388)

Question 872686: what is the graph of 3n
Click here to see answer by Alan3354(69443)

Question 872678: what is the graph of n^(2/3)
Click here to see answer by ben720(159)

Question 872774: A school's debate club has 9 members. A team of 4 students will be chosen to represent the school at a competition. How many different teams are possible?

Click here to see answer by ewatrrr(24785)

Question 872781: Seven people are arranged in a row of 3 seats. How many different arrangements are possible?
Click here to see answer by jim_thompson5910(35256)

Question 872388: Solve the following inequality. Write the solution in interval notation and graph it. ( absolute value 2y + 4) < 10?
Click here to see answer by lwsshak3(11628)

Question 872898: i need to determine if this is true or false. if false i need to correct the last part. if -4<-2t+6<10, then 2>t+6>-5
Click here to see answer by rothauserc(4718)

Question 872897: label if true or false---|w-7|<-3, then w-7>-3 or w-7<3. if its false i need to correct the first part
Click here to see answer by stanbon(75887)

Question 872891: i need to solve the equation if possible. -3|6n-2|+5=8
Click here to see answer by ewatrrr(24785)

Question 872931: an exponential curve relating two quantities v and t has the form v=ae^kt where a and k are constants.
The curve passes through two points (0.2,4.42) and (-2, 1.4715).
Determine the values of a and k, and find the value of t to 5dp when v=1.5
Any help would be hugely appreciated!
Thanks in advance.
Click here to see answer by josgarithmetic(39617)

Question 872874: Write the function: 2x^2-8x+10 in the form: a(x-m)^2+n, and then sketch the function. From the graph, find: vertex coordinates, symmetry line equation, solution of the function, y-intercept, domain and range of the function.
Click here to see answer by josgarithmetic(39617)

Question 873141: Help please , copy & paste the link to see the graph and the question because it's hard to type the question correctly.
Graph the system of linear equations:
Link : http://prntscr.com/3ifxxh
thank you show all work please.

Click here to see answer by mananth(16946)

Question 873177: Given the equation: (1-2X).(X+3):
1. Find the maximum or minimum value of the function. Show your work.
2. draw the above function.
Click here to see answer by lwsshak3(11628)

Question 873182: Form the quadratic equation that has the roots -2, 1 and its y-intercept is 3. Show your work.
Click here to see answer by reviewermath(1029)

Question 873184: Find the value(s) of M that make the equation: 3-Mx+x^2 tangent to the x-axis. Show your work. Draw the function.
Click here to see answer by josgarithmetic(39617)

Question 873183: What is the quadratic equation that has the roots x = -1, x = 5 and passes through the point (1,1)? Show your work.
Click here to see answer by Fombitz(32388)

Question 873500: Need help graphing this equation:
Click here to see answer by mananth(16946)

Question 873500: Need help graphing this equation:
Click here to see answer by Seutip(231)

Question 873533: Graph the equation -6x�5y=-60 and label the x and y intercepts
Click here to see answer by Fombitz(32388)

Question 873874: Please help me solve this equation: y=1/5x -4
I have it graphed, but I'm not sure if it's correct.
Click here to see answer by Alan3354(69443)

Question 873874: Please help me solve this equation: y=1/5x -4
I have it graphed, but I'm not sure if it's correct.
Click here to see answer by mananth(16946)

Question 874088: Using a sheet of graph paper, solve the following system of equations graphically. Be sure to show any work, use a straight edge, and be neat. When you are finished, enter the solution set in the box below and turn in your graph paper to your teacher.
x + y = 0
x - y + 2 = 0

Someone please help me!!
Click here to see answer by richard1234(7193)

Question 874102: Graph : y= -2(3)^x
thanks show work please if some.
Click here to see answer by josgarithmetic(39617)

Question 874100: Graph : y=5(2)x
thanks! show work please if some.
Click here to see answer by Evy Hofbauer(7)

Question 874172: Graph : y=5(2)^x
thanks! show work please if some.
Last time i submitted it wrong, thanks for the help!
Click here to see answer by jim_thompson5910(35256)

Question 874383: X^2+y^2=10
X+3y=10
Click here to see answer by mananth(16946)

Question 874476: Graph
y=3(1/2)^x
thanks ! can you show it on a graph for me please?
show work please.
Click here to see answer by rothauserc(4718)

Question 874427: Graph : y=5(2)^x
show work please, thank you.
Click here to see answer by rothauserc(4718)

Question 875031: I have a problem saying to graph the given set of ordered pairs .
(-4,5) how do I work this out
Click here to see answer by richard1234(7193)

Question 875128: Find the slope of the line going up through the points (7,12) and (m,0)
Click here to see answer by jim_thompson5910(35256)

Question 875219: Hey, I'm not to sure how to solve these two questions, if possible are you able to help me please.
(use algebra to work out your answers)
A straight line passes through the points (2, 2) and (17, 7)
(i) Calculate the gradient of the line.
(ii) Find the equation of the line.
Would be much help, as I just can't solve it.
Click here to see answer by ewatrrr(24785)

Question 875237: y= 3/4 x-5. Graph following question using two points
Click here to see answer by ewatrrr(24785)

Question 875260: Graph the system of linear equations :
{y<2x+4
{y>x-1
thanks for the help!
Click here to see answer by KMST(5328)

Question 874846: Graph the system of linear equations : please show work! if some..
{y<2x+4
{y>x-1
Heres a link to the picture, just in case I didn't write it correctly
http://prntscr.com/3juhi0 THANK YOU.
Click here to see answer by KMST(5328)

Question 875527: Graph the system of linear inequalities :
{y≥0
{y≤x+3.5
{y≤-x+3.5
thanks.
Click here to see answer by ewatrrr(24785)

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