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

Tutors Answer Your Questions about Graphs (FREE)

Question 547968: i have to solve the systems by graphing them i dont understand how to graph them . my equations are y=x-2 , y=4x + 1 can you explain how to graph them
Click here to see answer by KMST(1936)

Question 549102: 4x-3=x-y
Click here to see answer by jim_thompson5910(28717)

Question 549099: Graph equations Y=x-1? show work.
Click here to see answer by jim_thompson5910(28717)

Question 549135: (4+4)x8+18*0-2
Click here to see answer by rfer(12731)

Question 549235: find an equation of a line in standard form that has x intercept 6 and y intercept 4
Click here to see answer by richwmiller(9144)

Question 549235: find an equation of a line in standard form that has x intercept 6 and y intercept 4
Click here to see answer by mananth(12270)

Question 549239: y=3x-6
3y=2x+3
Click here to see answer by mananth(12270)

Question 549223: Write an inequality whose graph contains only the points in the given quadrants.
Quadrants I and IV
I have thought about this one for a while, but can't find an answer.
Click here to see answer by KMST(1936)

Question 549241: x+y<4
-3x+2y>2

Click here to see answer by mananth(12270)

Question 549263: The number y of passengers riding an elevator can be no greater than the elevator's maximum weight capacity x (in pounds) divided by 150. Write and graph an inequality that relates the number of passengers to the maximum weight capacity. Identify and interpret one of the solutions.
For the inequality, I was thinking it would be y is greater than or equal to x/150, but I wasn't sure how to graph it.
Click here to see answer by stanbon(57984)

Question 549238: 10y+4x=20
Click here to see answer by mathie123(224)

Question 548265: Maximization
Maximize p = 2x + 4y subject to
x >= 0, y >= 0, 2x - y >= 2 and x + 2y <= 8
Help me. I don't know how to do it.
The answer is: The function is maximum at (8,0) et (12/5, 14/5) and is worth 16.
Thank you
Click here to see answer by KMST(1936)

Question 549364: Factor Completely
81c^2-121
I have tried but I am confused because nothing factors into both 81 and 121 can you please help?
Click here to see answer by Alan3354(31538)

Question 549382: What are the x-intercept and y-intercept of a linear equation? Demonstrate by determining the intercepts of "14x + 7y = 21."

Click here to see answer by KMST(1936)

Question 549450: n-7>2
Click here to see answer by rfer(12731)

Question 549516: Graph the linear equation by picking points y=4x+3

Click here to see answer by mananth(12270)

Question 549004: sketch a graph at 4x^2-3xy=18 and identify the angle of rotation

Click here to see answer by Edwin McCravy(8999)

Question 549582: Can you help with this problem please.
y=-x
Click here to see answer by solver91311(17077)

Question 549582: Can you help with this problem please.
y=-x
Click here to see answer by josmiceli(9819)

Question 549593: Greeting,
would you pls help me with this problem :
Find the inequality that models this problem.The length of a rectangle is twice its width.If the area of the rectangle is less than 50 square meters,what is the greatest width of the rectangle?
Thanks a lot.
H.H
Click here to see answer by mathie123(224)

Question 549596: graph: 2x + 3y=6
Click here to see answer by mathie123(224)

Question 549615: Write the slope-intercept equation for the line that passes through (2, -2) and (-1, 10
Click here to see answer by mananth(12270)

Question 549710: 2x + 3y < 6
Click here to see answer by mananth(12270)

Question 549597: 5y^2 -6y +1
Click here to see answer by mananth(12270)

Question 549731: Hello,
Pls help me to do this:
Solve the conjunction & describe the solution set.
-5 (less than or equal) 3m + 1 < 4

Sorry but I don't have the (less than or equal) on my keyboard
Thanks a lot,
H.H
Click here to see answer by mananth(12270)

Question 549714: {2x+y<4
x<2
Click here to see answer by mananth(12270)

Question 549746: graph the inequality y<3

Click here to see answer by mathie123(224)

Question 549730: Hi,
Can you pls help me with this :
Which conjunction or disconjunction is equivalent to the solution set ?
|x-9| < 11
Thanks a lot.
H.H
Click here to see answer by mathie123(224)

Question 549802: Sorry, I pressed the wrong button before...
I am lost can someone help with this;
Given the restraints x + y <=5
y >= x
x >=0
and the objective Function C = x + y, find the maximum value?
Click here to see answer by stanbon(57984)

Question 549849: using the graphing method how do you do y=3, x+y=5 Please help me and how to do it. Thank You.
Click here to see answer by stanbon(57984)

Question 549849: using the graphing method how do you do y=3, x+y=5 Please help me and how to do it. Thank You.
Click here to see answer by Edwin McCravy(8999)

Question 549892: The graph for a hotel charges a $100 flat fee plus $15 per person for a banquet. How will the graph change if the hotel then changes its policy to a flat fee of $350 plus $30 per person?
Click here to see answer by mananth(12270)

Question 549969: Hello,
Pls help me to do this:
Solve the conjunction & describe the solution set.
-5 (less than or equal) 3m + 1 < 4

Sorry but I don't have the (less than or equal) on my keyboard
Thanks a lot,
H.H

Click here to see answer by stanbon(57984)

Question 549973: A solution to the compound inequality 17 <= 3 - 2x <= 21 is given below. Choose the statement that is true about the given solution.
17 <= 3 - 2x and 3 - 2x <= 21 - LINE 1
20 <= -2x and -2x <= 24 - LINE 2

-10 => x and x => -12 - LINE 3

ANSWERS:
A: There is a mistake in line # 1.
B: There is a mistake in line # 2.
C: There is a mistake in line # 3.
D: There are no mistakes, the solution is correct.
Thank you in advance! so much!
Click here to see answer by scott8148(6628)

Question 549975: A solution to the compound inequality 17 <= 3 - 2x <= 21 is given below. Choose the statement that is true about the given solution.
17 <= 3 - 2x and 3 - 2x <= 21 - Line 1
20 <= -2x and -2x <= 24 - Line 2
-10 => x and x => -12 - Line 3

A: There is a mistake in line # 1.
B: There is a mistake in line # 2.
C: There is a mistake in line # 3.
D: There are no mistakes, the solution is correct.
Click here to see answer by karaoz(32)

Question 549972: 5. Determine graphically the co-ordinates of the vertices of a triangle, the equation of whose sides are given:

(i) y = x ; y = 2x ; x + y = 6
Click here to see answer by KMST(1936)

Question 550011: how do I graph 3x+4y=8

Click here to see answer by stanbon(57984)

Question 550011: how do I graph 3x+4y=8

Click here to see answer by KMST(1936)

Question 550015: Can you explain why a point on the boundary line cannot be used as a test point when graphing a linear inequality in two variables? Also please give me an example, thank you.
Click here to see answer by KMST(1936)

Question 550022: Find an equation in slope-intercept form passing through the points (-6.2,18.1) and (-3.4,18.1).
Click here to see answer by Alan3354(31538)

Question 550022: Find an equation in slope-intercept form passing through the points (-6.2,18.1) and (-3.4,18.1).
Click here to see answer by bucky(2189)

Question 549398: Show a mapping diagram of the relation given: (7,-2), (6,5), (4,3), (2,-8), (3,-2). Is this relation a function? Justify your answer.

Click here to see answer by nyc_function(2733)

Question 550031: Graph the following equations; calculate the slop, x-intercept, and y-intercept, and label the intercepts on the graph. 3x = -2
Click here to see answer by ankor@dixie-net.com(15747)

Question 550327: write the equation of the line though (5,-2) and (2,10)
Click here to see answer by jim_thompson5910(28717)

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