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

Tutors Answer Your Questions about Graphs (FREE)

Question 68616: Find the slope of the line hrough the following pairs of points.
(-5,-3) and (-5,2)
Click here to see answer by checkley71(8403)

Question 68615: 2x - 3y = 12
Click here to see answer by checkley71(8403)

Question 68575: Write the equation of the line with slope and y-intercept (0, 3). Then graph the line.
This one is throwing me off with the y intercept, could I get some help please with this one. Thanks.
Click here to see answer by checkley71(8403)

Question 68571: Graph x + y = �2.
I am not sure or remember how to do this. Can someone help me with this. Thanks
Click here to see answer by checkley71(8403)

Question 68582: Please help
Complete the square as an aid to graphing :
y = -x^2 + 2x + 2
Click here to see answer by ankor@dixie-net.com(22740)

Question 68590: solve each of the following systems by graphing...
2x -y = 4, 2x -y = 6
Click here to see answer by balla52541(1)

Question 68617: Find the constant of variatio k.
m varies directly with n; m = 144 when n = 8.
Click here to see answer by ankor@dixie-net.com(22740)

Question 68709: Graph the following equation.
y = 3/4x + 2
Click here to see answer by stanbon(75887)

Question 68708: Find the slope of the line through the following pairs of points.

(-5, -3) and (-5,2)

Click here to see answer by stanbon(75887)

Question 68710: Graph the following equations, using the intercept method.
2x + 3y = 6
Click here to see answer by rmromero(383)

Question 68722: What is the equation of line through (8,6) and (2,-4), My answer is -4x+2y=-16, but I'm not sure thats for any help.
Click here to see answer by rmromero(383)

Question 68614: 2x + 3y = 6
Click here to see answer by tutorcecilia(2152)

Question 68733: 1: Plot the graph of the equation 2x-3y=6 and 2x+y=-10 and intercept the result.
2: Plot the graph of the equations 2x+4y=10 and 3x+6y=12 and intercept the result.
3: Determine graphically the vertices of the triangle, the equation of whose sides are given y=x; y=0; 2x+3y=10, interpret the result?
Click here to see answer by rmromero(383)

Question 68738: Complete the ordered pair so that each is a solution for the given equation.
3x + 4y = 12 (0, ), ( ,3/4), (,0), (8/3, )
Click here to see answer by rmromero(383)

Question 68743: Graph the inequality.
2x + 3y > 6
I have been having the hardest time with this problem and cannot seem to figure it out. I need some help, Thanks.
Click here to see answer by stanbon(75887)

Question 68748: The revenue for a sandwich shop is directly proportional to its advertising budget. When the owner spent $2000. If the revenue is now $180,000, how much is the owner spending on advertising?
Click here to see answer by stanbon(75887)

Question 68746: Solve the system by graphing.
3x + y = �1
9x + 3y = �3
Please help me graph and solve this graphing system, I am not understanding how to solve these problems. Thanks
Click here to see answer by Earlsdon(6294)

Question 68744: Write the equation of the line with slope -1/2 and y-intercept (0, 3). Then graph the line.
I need help with this graphing equation. Thanks
Click here to see answer by Earlsdon(6294)

Question 68739: Celsius temperature readings can be converted to Fahrenheit readings using the formula F = 9/5C + 32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures: -10,0,15,100?
Click here to see answer by Earlsdon(6294)

Question 68742: Plot points with coordinates (2,3), (3/4), and (4,5) on the given graph. What do you observe? Can you give the coordinates of another point with the same property?
Click here to see answer by venugopalramana(3286)

Question 68758: What is the slope of a line that is parallel to the following linear equations?

y-3=0
Click here to see answer by shaykat_2010(1)

Question 68760: What is the slope of a line that is parallel to the following linear equations??

6y+2x=9
Click here to see answer by ankor@dixie-net.com(22740)

Question 69003: 6x^-2y^2
36xy^-3
write in simplest form
Click here to see answer by stanbon(75887)

Question 69030: Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept.
Slope: -3/4; y-intercept: (0,8)
Click here to see answer by tutorcecilia(2152)

Question 69025: Find the slope and y-intercept of the line represented by the following equation.
2x - 3y = 6
Click here to see answer by ptaylor(2198)

Question 69071: A line passes through (-2,3), (2,5), and (6,k). Find k.
Click here to see answer by jim_thompson5910(35256)

Question 69019: What is the inequality of
Click here to see answer by jim_thompson5910(35256)

Question 69095: graph the inequality
y <-4
Click here to see answer by stanbon(75887)

Question 69094: write the equation ogf the line passing through (4,4) and (4,2).
Click here to see answer by stanbon(75887)

Question 69112: how many liters of a 10% acid solution must be mixed with a 50% acid solution in order to obtain 20 liters of a 30% solution?
Click here to see answer by checkley75(3666)

Question 69145: Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept.
Slope: -3/4; y-intercept: (0,8)
Click here to see answer by stanbon(75887)

Question 69044: find the x-intercepts nad y-intercepts for the given circle?
(x^2)+(y^2)-4x-6y+4=0 ??
Click here to see answer by jim_thompson5910(35256)

Question 69294: how do you "graph linear relations"
example.: 2x+5y=10
Click here to see answer by Earlsdon(6294)

Question 69296: Graphing Linear Realations:
graph the equation. Using the most suitable method.
y= -2/3x+5
please help me I am so lost

Click here to see answer by checkley75(3666)

Question 69350: two trains leave Dallas at 9:00am The eastboud train travels at 45mi/h. the westbound train travels at 60 mi/h. at what time will the two trains be 420 mi apart ?
Click here to see answer by stanbon(75887)

Question 69301: Between the ages of 11 and 18, you should get at least 1200 milligrams of calcium each day. One ounce of mozzarella cheese has 147 mg of calcium, and one ounce of swiss cheese has 210 mg. Suppose you wanted to eat no more than 8 ounces of cheese.
Draw a graph showing the possible amounts of each type of cheese you can eat and still get your daily requirement of calcium. Let x be the amount of mozzarella cheese and y be the amount of Swiss cheese.
Click here to see answer by stanbon(75887)

Question 69358: How do you graph the following:
y= 0.5x(squared) - 2.24x - 1.4
AND
y= 0.08x(cubed) - 1.62x(squared) + 6.72x
Click here to see answer by checkley75(3666)

Question 69443: Find the common difference of this sequence 1/2, 1/3, 1/6, 0
Click here to see answer by stanbon(75887)

Question 69562: Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept.
Slope: 5; y-intercept: (0,-2)
Click here to see answer by funmath(2933)

Question 69539:
Click here to see answer by funmath(2933)

Question 69565: In planning for a new item, a manufacturer assumes that the number of items prduced x and the cost in dollars C of producing these items are related by linear equation. Projections are that 100 items will cost $10,000 to produce and that 300 items will cost $22,000 to produce. Find the equation that relates C and x.
Click here to see answer by Earlsdon(6294)

Question 69655: x-2y<5
Click here to see answer by tutorcecilia(2152)

Question 69621: find the equation of a line that passes through the point (1,-4) and is parallel to the line 7x-6y=-4
Click here to see answer by checkley75(3666)

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