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

Tutors Answer Your Questions about Graphs (FREE)

Question 547816: Graph the equation: 2x � 3y = 5 on the xy plane

Click here to see answer by mathie123(224)

Question 547861: what is the ordered pair for y=-10x+6
Click here to see answer by JBarnum(2146)

Question 547910: Write the equation for the following situation: In one U.S. town, the annual consumption, s, of sugar (in kg per person) can be estimated by adding 30 to half the years, t, since 1975.
Then graph the equation and use the graph to determine the sugar consumption in the year 1991.
Click here to see answer by josmiceli(19441)

Question 548100: What would the slope for 2x+y=4 be?

Click here to see answer by oberobic(2304)

Question 548198: how are you supposed to graph the inequality of -4y<-16
Click here to see answer by JBarnum(2146)

Question 548204: y=2x-5 y=1/2x-2 the ordered pair that is the solution to the system of equations graphed below.

Click here to see answer by stanbon(75887)

Question 548266: Determine the equation of the line which is parallel to the line 4x - 5y = 9 and has the same y intercept as the line (2x) / 3 + (4y) / 5 = 8
I don't know how to do this.
Thank you
Click here to see answer by mathie123(224)

Question 548268: Maximization
Maximize p = 7x - 4y subject to
y >= 2x - 8
y <= 10 - x
y <= (x + 8) / 2
x >= 1
y >= 2
Thank you
Click here to see answer by mathie123(224)

Question 548268: Maximization
Maximize p = 7x - 4y subject to
y >= 2x - 8
y <= 10 - x
y <= (x + 8) / 2
x >= 1
y >= 2
Thank you
Click here to see answer by Edwin McCravy(20054)

Question 548285: Graph 2x+5y > or equal to 10
Click here to see answer by mathie123(224)

Question 548298: Which of the following points lies on the line 5y-2x=-10?
(0,5)
(5,0)
(2,0) or
(0,2)
Thank you!!
Click here to see answer by Alan3354(69443)

Question 548374: Find the x- and y-intercepts for the equation -x - 3y = 4. Then graph the equation.
Click here to see answer by mananth(16946)

Question 548384: Question: Write an equation for the points (-8,-2), (0,-2), (8,-2), which are plotted on the graph below.
*I was provided a graph with the plotted points which I gave in my question above. Not sure how I would go about, even if possible, providing a graph for my question. Hope you understand my question and can help me.
Click here to see answer by ankor@dixie-net.com(22740)

Question 548480: Good afternoon,
Hello i have homework on slope intercept equations and i needed help. Here's the problem it says y-3=4(x+5) i have to put that in slope intercept form.
Click here to see answer by stanbon(75887)

Question 548486: Good afternoon,
Hello i have homework on slope intercept equations and i needed help. Here's the problem it says line with an x-intercept of 5 and a y-intercept of -5 i have to put that in slope intercept form.
Click here to see answer by stanbon(75887)

Question 548484: Good afternoon,
Hello i have homework on slope intercept equations and i needed help. Here's the problem it says line parallel to y= 3x=4 with the y- intercept of 10 i have to put that in slope intercept form.
Click here to see answer by ankor@dixie-net.com(22740)

Question 548482: Good afternoon,
Hello i have homework on slope intercept equations and i needed help. Here's the problem it says 3x-2y=18 i have to put that in slope intercept form.
Click here to see answer by ankor@dixie-net.com(22740)

Question 548599: What is ordered pair of real numbers (x, y) for which 16^x � 16^y = 192 and 4^x � 4^y = 8
Click here to see answer by stanbon(75887)

Question 548714: J=k/t+nq, Solve for T
Click here to see answer by jim_thompson5910(35256)

Question 548769: f(x)= -(x+5)^2-9
Click here to see answer by jim_thompson5910(35256)

Question 548839: 2x- y=15
2x+3y=-13
Click here to see answer by oberobic(2304)

Question 548829: solve by graphing
x+y=20
x-y=2
Click here to see answer by oberobic(2304)

Question 548796: I'm froze on this, please help.
Describe the graph of the equation y< 1/2x +1
Click here to see answer by oberobic(2304)

Question 548900: 2x+8y=10
7x-8y=-73
solve by the elimination method
Click here to see answer by oberobic(2304)

Question 548902: Two angles are complementary. The sum of the measure of the first angle and half the second angle is 81.5. Find the measures of the angles.
What is the measure of the smaller angle?
What is the meausre of the other angle?
Click here to see answer by oberobic(2304)

Question 548903: Snookers Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out twice as many units of playwood as lumber. It makes a profit of $25 on a unit of lumber and $50 on a unit of plywood. How many of each unit must be produced and sold in order to make a profit of $13000?
Snooker Lumber must produce and sell Units of lumber and Units of plywood to make a profit of $13000.
Click here to see answer by mananth(16946)

Question 548911: Use the graph of the function f to find(-4),f(-3), and (-2)
Click here to see answer by mathie123(224)

Question 548965: graph the equation y=-3x-2
Click here to see answer by mananth(16946)

Question 548904: -9x≥-6.3
Click here to see answer by mathie123(224)

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(5328)

Question 549102: 4x-3=x-y
Click here to see answer by jim_thompson5910(35256)

Question 549099: Graph equations Y=x-1? show work.
Click here to see answer by jim_thompson5910(35256)

Question 549135: (4+4)x8+18*0-2
Click here to see answer by rfer(16322)

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(17219)

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(16946)

Question 549239: y=3x-6
3y=2x+3
Click here to see answer by mananth(16946)

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(5328)

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

Click here to see answer by mananth(16946)

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(75887)

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(5328)

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(69443)

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(5328)

Question 549450: n-7>2
Click here to see answer by rfer(16322)

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