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

Tutors Answer Your Questions about Graphs (FREE)

Question 619753: How do I graph y is less than or equal to -4x+4?

Click here to see answer by Edwin McCravy(20054)

Question 619805: what is the solution to this system of inequalities..
y< 5/2x-2 y> 1/2x+2
_ _
Click here to see answer by ewatrrr(24785)

Question 619885: Is the inequality -x-4y>3 in correct form for graphing? Briefly explain
Please help me on this, I think it is correct but im not sure how to explain it!
Click here to see answer by Alan3354(69443)

Question 620083: What is the equation of the line that contains (2,5) and (4,5)

Click here to see answer by Alan3354(69443)

Question 620168: A. Solve the system graphically. Indicate the method you use to plot the lines and show your work.
B.check by substituting the answer back into the original equations?
Please help I don't know how to do it! Ans my book does not show! Thank you!!
Click here to see answer by EdwinParker(16)

Question 620186: Given: f(x)=2/(x-1)+4 and g(x)=x+2. write down the equations of the asymptotes of f.
Click here to see answer by solver91311(24713)

Question 620408: solve 3x-2y=6 in slope-intercept method

Click here to see answer by vleith(2983)

Question 620414: Graph y = x2 -4x + 7 and determine the maximum or minimum, the vertex, and the axis of symmetry
Click here to see answer by ewatrrr(24785)

Question 620463: The equation of the line that goes through the point ( 5 ,1 ) and is parallel to the line 2 x + 2 y = 5 can be written in the form y = mx+b where m is and where b is can you show me in steps explain what you do.
i have gotten to this step.
(5,1) 2x + 2y=5
2x+ 2y=5
2y/2 + 5/2
y=-1 + 5/2 i am lost now
Click here to see answer by ewatrrr(24785)

Question 620474: i need help with this two part question we started slope and i am lost and getting frustrated. can someone help me step by step explain what you did.
1.The distance of the point (1,5) from the line y = -2 x - 1
is

2.The equation of the line that goes through the point ( 4 ,6 ) and is perpendicular to the line 4 x + 2 y = 3 can be written in the form y = mx+b where m is and b is

Click here to see answer by ewatrrr(24785)

Question 620465: The equation of the line that goes through the point ( 5, 5 ) and is parallel to the line going through the points ( -4 ,6 ) and ( 2 ,4 ) can be written in the form y = mx+b where m is and b is. I am struggling with this question i have no idea how to start this can you explain it in steps for me.
Click here to see answer by ewatrrr(24785)

Question 620488: If an object is dropped from a height of 37 feet, the function h(t)= -16t^2 +37 gives the height of the object after t seconds. Graph the function.
Click here to see answer by Alan3354(69443)

Question 620525: Graph the quadratic equation.
y=-2x^2
What is the vertex?
___?
Also graph the parabola
If you can please include the points that I have to graph/plot that would be great. I know how to get the vertex but I always mess up when it comes to graphing the exact point or points.
Click here to see answer by ewatrrr(24785)

Question 620542: Sketch the graph the parabola. Find the coordinates of the vertex.
y=-x^(2)+2x-3
The vertex is?
___?
Also graph the parabola
If you can please include the points that I have to graph/plot that would be great. I know how to get the vertex but I always mess up when it comes to graphing the exact point or points.
Click here to see answer by stanbon(75887)

Question 620590: Graph the quadratic equation by plotting points.
y=(x-3)^2
please include what points to plot. Thanks
Click here to see answer by Alan3354(69443)

Question 620590: Graph the quadratic equation by plotting points.
y=(x-3)^2
please include what points to plot. Thanks
Click here to see answer by solver91311(24713)

Question 620661: inga would like to write this linear equation in standard form:
y=-5/3x+4
which equation shows ignas equation in standara form?
hint 5/3 is a fraction
Click here to see answer by rfer(16322)

Question 620701: how do you graph x
Click here to see answer by lynnlo(4176)

Question 621251: If a line containing the point (5,3) has a positive slope, which of the following points could be on that line?
Click here to see answer by Alan3354(69443)

Question 621248: what is the slope of a line containing the points (-2,-4) and (4,5)
Click here to see answer by lenny460(1073)

Question 621255: explain why the graph of the equation y=x-30 passes through three quadrants

Click here to see answer by lenny460(1073)

Question 621323: Identify the common function and the transformation shown in the graph. Write the formula for the graphed function.
It is a common function, y=7
Click here to see answer by richard1234(7193)

Question 621319: a barrel contains 38 gallons of water and is being drained at a constant rate of 14 gallons per minute. Write an equation that models the number of gallons, g after t minutes. the equation that models the given solution is?
Click here to see answer by josmiceli(19441)

Question 621303: PLEASE HELP.....Solve the inequality . 3< 4 + 3x/2< 2 . Give the result in set notation and graph it
Click here to see answer by lwsshak3(11628)

Question 621311: Graph the linear inequality x>y
Click here to see answer by fcabanski(1391)

Question 621366: Choose the equation of the line passing through the point (-1, -2) and perpendicular to y = x + 2.
Click here to see answer by lwsshak3(11628)

Question 621480: Determine whether the system is consistent, inconsistent, or dependent.
3x - 3y = -9
9x - 9y = -27
Click here to see answer by fcabanski(1391)

Question 621504: I graphed y=2x and 2x+y=4 but I need some help, it's now says indicate the method you used to plot the lines and show your work?
B. check by substiting the answer back I to the original equation?
Please i need some help don't understand it!
Click here to see answer by Alan3354(69443)

Question 621635: Would you pls help me with this?
Solve using quadratic formula: 6x^2 + 7x - 11 = 0
I started like this:

x= {-7+-sqrt(7^2-4*66)}/ 12
I would like to know how to do it step by step because I want to be able to do the others by myself.

Thanks a lot.

Click here to see answer by vleith(2983)

Question 621622: Would you pls help me with this;
Solve using quadratic formula: 6x^2 + 7x - 11 = 0
I started like this:
x= {-7+-sqrt(7^2-4*66)}/ 12
Thanks
Click here to see answer by ewatrrr(24785)

Question 621668: Could you pls check my answer?
Solve for z: |6z+30|= 48
My solution: z = 3 or z = -13
Thanks.

Click here to see answer by ewatrrr(24785)

Question 621670: What is the graph of f(x)=1/3(x-4)^2-1
Click here to see answer by ewatrrr(24785)

Question 621680: x-y=3
x+y=5
let,x=0
x-y=3
y=3
(0,3)
let,y=0
x+y=5
x =5
(5,0)

Click here to see answer by ewatrrr(24785)

Question 621652: Solve the systems of linear equations using graph paper
y = x - 2
x = 2
Click here to see answer by ewatrrr(24785)

Question 621643: Could you pls check my answer,
Solve for z:|6z+30|= 48
My solution: z = 3 or z = -13
Thanks.
Click here to see answer by ewatrrr(24785)

Question 621633: 3x - y =3
Click here to see answer by lynnlo(4176)

Question 621646: Solve the systems of linear equations.
y = 2x - 2
y = -x + 7
Click here to see answer by lynnlo(4176)

Question 621736: y=1/4X and x=-12 can i get help solving this and understand how to solver more questions like this?
Click here to see answer by ewatrrr(24785)

Question 621749: -1< or equal to 2x+1
Click here to see answer by ewatrrr(24785)

Question 621749: -1< or equal to 2x+1
Click here to see answer by Alan3354(69443)

Question 621749: -1< or equal to 2x+1
Click here to see answer by vleith(2983)

Question 621902: Would you pls help me with this:
For the function y = 3 + 2 sqrt(2x+4) State the domain.
I am not sure ?
Is it x>-2 or x >= -2
Thanks.

Click here to see answer by jim_thompson5910(35256)

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