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

Tutors Answer Your Questions about Graphs (FREE)

Question 233186: I need help solving this problem
-5≤2x+5 and 2x+5<9
The solution is {X|██≤X<██}
Click here to see answer by Theo(13342)

Question 233223: hello, can yu please help me sketch the graph of
y= 15x-2x�
please help me, i am confused as to were to start.
Click here to see answer by Alan3354(69443)

Question 233307: 2x=8 would this be a vertical or horizontal line?
Click here to see answer by Alan3354(69443)

Question 233497: please help me : this is the question
find the set of values of x which :
1) x^2-5x >0
2) 2x^2+3x
Please help im completely stuck
Thankyou
Click here to see answer by stanbon(75887)

Question 233496: please help me : this is the question
find the values of k which kx^2+8x+5=o has real roots
Thankyou
Click here to see answer by stanbon(75887)

Question 233716: ((( write the equation of the line passing through each of the given points with the indicated slope. Give your results in slope intercept form, where possible. (1 , -4), m = -4 )))
Please help with this problem. I am confused on this one. I think the equation would be y = -4x + 0 but I am not sure
Click here to see answer by Alan3354(69443)

Question 233669: y-8>-15
Click here to see answer by rfer(16322)

Question 233572: find the mean,median,and mode of this set of data:7.2,3.8,9.4,4.7,1.6,11.8,3.8,7.2,and6.5.
Click here to see answer by rfer(16322)

Question 233807: How can I solve this question:
1≤-5/4y
the -5/4y is read as negative 5 over 4 with a y next to it.
How can I solve it so I can put in on a number line?
Click here to see answer by stanbon(75887)

Question 233827: fred bought 3 shirts, each at the same price, and received less than $12.00 in change from a $50 bill. What is the minimum cost of one shirt?
Click here to see answer by stanbon(75887)

Question 233973: 7x-4=5x-x+35
Click here to see answer by rfer(16322)

Question 233931: please help me solve this problem. The instruction: write an equation of each line with the stated properties. The question is: parallel to 2x-5 and has the same x- intercept as y= 3x-6
Click here to see answer by scott8148(6628)

Question 234060: slope intercept of (1,0)(0,-2)
Click here to see answer by nerdybill(7384)

Question 234081: I was given this problem includes a grapth, with a line in the x/y-plane and the points x(2,0), y(0,3), the qeustion is which is the equation?
Click here to see answer by rfer(16322)

Question 234107: draw the graph of y=sec x on the interval of 0 <= x <= 360
Click here to see answer by Alan3354(69443)

Question 234110: graph y= 2sin(2x - pi) on the interval 0 <= x <= 2pi
Click here to see answer by nyc_function(2741)

Question 234155: I cant figure out how to find the slope intercept and graph it.
Click here to see answer by nerdybill(7384)

Question 234165: ((( Find the slope of the line passing through the points (0,4) and (-10,9) )))
I did the math to find the slope and got (13)/(-10) My question is can it be written as -13/10 for the slope format?
Click here to see answer by nyc_function(2741)

Question 234174: graph the solution set of each compound inequalitys.
r < 6 or r > 6
Click here to see answer by solver91311(24713)

Question 234108: draw the graph that represents the point at (-2, 5pi/6)
Click here to see answer by Alan3354(69443)

Question 234209: I don't understand how to solve xy=6

Click here to see answer by ankor@dixie-net.com(22740)

Question 234259: what is the slope and y intercept of y=2x-10?
Click here to see answer by rfer(16322)

Question 234333: Directions say to Graph the linear System and estimate the solution. Then Check the solution algebraically. the problem is 2x+y=13 5x-2y=1. please break it down to to step by step on how to graph and estimate the solution.
Click here to see answer by stanbon(75887)

Question 234168: I REALLY need help with this please! It's a big question but please help as much as you can.
Consider the function y - 5 = -4x
a) Write the equation in standard form.
b) Write the equation in slope-intercept form.
c) The slope is______________.
d) The y-intercept is______________.
e) Graph the function using the slope-intercept method of graphing.
Please help, and please explain your answer so I can hopefully understand it as well. Thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 234349: Am trying to find the slope y=-x, then multiply by 2/3?
Click here to see answer by Alan3354(69443)

Question 234239: What is the vertex of the graph of y = |2x - 3| - 5? What is the range of the function?
I have tried to graph the given equation and found it to be a straight diagonal line. So my solution/answer to the problems are: a.) no solution for the vertex
b.) range is infinite.
Am I right with my answers? I would appreciate it very much if you could show me the step by step solution and the correct answer to the above problems. Please... thanks and God bless.
Click here to see answer by ankor@dixie-net.com(22740)

Question 234410: x-1<24
Click here to see answer by rfer(16322)

Question 234407: 4x-4>3x+5
Click here to see answer by rfer(16322)

Question 234405: x<26 I need a graph.
Click here to see answer by rfer(16322)

Question 234408: 4x-4>3x+4
Click here to see answer by edjones(8007)

Question 234536: Fin the area of a triangle whose vertices have coordinates of (0,9), (0, - 4), (5, -4).
Click here to see answer by solver91311(24713)

Question 234623: I am having difficulty understanding how to find the slope and y intercept of this problem, could you please show me how in step form? Thank you
2x + 3y = 1
Click here to see answer by rfer(16322)

Question 234655: y = x + 2
Click here to see answer by Alan3354(69443)

Question 234911: Graph the linear equation x = -2
Click here to see answer by nerdybill(7384)

Question 235039: What is the formula to find out if the equations are parallel, perpendicular, or neither? y = 3x � 1, y = �x + 2
Click here to see answer by Alan3354(69443)

Question 235117: is the point (2,14)on the graph of y=6x+8

Click here to see answer by Alan3354(69443)

Question 235238: graph: y=2/3x-1
Click here to see answer by jim_thompson5910(35256)

Question 235238: graph: y=2/3x-1
Click here to see answer by cutecherry(1)

Question 235314: I am being asked to write an equation of a line perpendicular to the given line. the equation is x -4y =20. I am not sure how to do this.
Click here to see answer by nerdybill(7384)

Question 235345: given Y - 3X = 4 - X determine the x-intercept and y-intercept
Click here to see answer by Stitch(470)

Question 235425: determine the slop and y intercept (4,8)(-3,-4)
y=mx+b
Click here to see answer by checkley77(12844)

Question 235571: Can you help me find the slope and y- intercept of the line 3/5x + 9/2
Click here to see answer by solver91311(24713)

Question 235632: I'm being to decide whether the givin point lies on the graph of the line. The equation is this: 2y-4x=8,(-2, 8).
This is over some work that I missed in class and I am not understanding it. Could you please help?
Click here to see answer by rfer(16322)

Question 235579: y is less then or equal to -x
Click here to see answer by rfer(16322)

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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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