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

Tutors Answer Your Questions about Graphs (FREE)

Question 904618: Write an equation of the line perpendicular to the graph of x=3 and passing through D(4,-1). Please help me solve this question! I don't understand it !! Thank you!
Click here to see answer by richwmiller(17219)

Question 904620: How do I do absolute value when a variable and a number are in the absoulute value slot. For example 2= |m+2/3|
Click here to see answer by MathLover1(20849)

Question 904698: A line passes through the points -10,-4 and -1, 2 .
What is the y-intercept of the line?
Click here to see answer by richwmiller(17219)

Question 904704: what set of points are on the line y=6x-8
Click here to see answer by richwmiller(17219)

Question 904728: what line is perpendicular to the line y=3/4x+2
Click here to see answer by MathLover1(20849)

Question 904954: Hello,
A while back, I was looking for help in figuring out the graphs below. I haven't gotten an answer yet.
Graph the following:
a) x+y=-3
2x-3y=4
b) x-y=3
2x+3y=-4
c) x+y=3
2x+3y=4
d) x+y=-3
2x-3y=-4
Click here to see answer by richwmiller(17219)

Question 904956: Hi,
Graph the following:
Click here to see answer by richwmiller(17219)

Question 905036: solve the following 3x3 equations by using an algebraic method to get an exact point of intersection. state that the planes are parallel or coincident.
x+y+z=-2
x-y+2z=-5
3x+y+z=-12
Click here to see answer by ewatrrr(24785)

Question 905252: Find the equation of the line that is perpendicular to the line -x+3y=-1 and goes through the point (4,-2)
Click here to see answer by lwsshak3(11628)

Question 904778: The graph of fx=log3(x) lies in which quadrant(s)?
Quadrants 1,2,3,4
Click here to see answer by Fombitz(32388)

Question 905482: Graph y=3cos x+3
Please help me. Any help you could give would be greatly appreciated.
Click here to see answer by Fombitz(32388)

Question 905482: Graph y=3cos x+3
Please help me. Any help you could give would be greatly appreciated.
Click here to see answer by josmiceli(19441)

Question 905510: how do you graph 2x-5y=-2
Click here to see answer by ewatrrr(24785)

Question 905513: how to graph 2x-5y=-2
Click here to see answer by ewatrrr(24785)

Question 905522: T=2u/e
Solve for u
Click here to see answer by Fombitz(32388)

Question 905667: Find the shortest distance from (2,1) to the line 3x+4y=24
Click here to see answer by josgarithmetic(39617)

Question 905757: Solve the following inequality: |x+1|>= x-3. (The absolute value of X+1 is greater than or equal to x-3). Please show your work.
Click here to see answer by josgarithmetic(39617)

Question 905763: solve the following inequality: x^2|x-5|>6x. (X squared times the absolute value of x-5 is greater than 6x). Show your work.
Click here to see answer by Edwin McCravy(20054)

Question 905763: solve the following inequality: x^2|x-5|>6x. (X squared times the absolute value of x-5 is greater than 6x). Show your work.
Click here to see answer by MathLover1(20849)

Question 905828: Solve the following systems of equations using the substitution method.
What type of system is it? Name the solution if there is one.
y=-2x
4x-3y=12

Click here to see answer by Fombitz(32388)

Question 905923: Please help me write this question in interval notation. Can you please also explain why the answer is written that way? I so lost on how to write the answer correctly. Thank you So much!!
4.5x - < -10 OR 6 - 2x > or equal to 12
Click here to see answer by josgarithmetic(39617)

Question 905952: CORRECTION--- If I left out a number in a equation does that change the process of how to solve?
4.5x- 1 < -10 OR 6-2x > or equal to 12.
Also, then would my answer in interval notation look like this?
(-infinity,-5) U (-infinity, -3]
Is that right? or in the second answer should -3 come first? If so, why is that?
Click here to see answer by josgarithmetic(39617)

Question 905991: Solve the following systems of equations using the substitution method.
What type of system is it? Name the solution if there is one.
. y=-2x
4x-3y=12

Click here to see answer by rfer(16322)

Question 905963: What if you have a question like this�
2(-2) < or equal to 3x-1 AND 3x-1 < or equal to -1-3
Im coming up with the answers�
-1 < or equal to x AND x < or equal to -1�so, (-infinity,-1]. Is that correct? Or would be infinitely many solutions?
Click here to see answer by josgarithmetic(39617)

Question 906016: graph the line having slope m and containing the point.
m= -4 (3,2) ????
Click here to see answer by Alan3354(69443)

Question 906038: It asks me find the equation that is parallel to y=-5 and passes through (-3,5). Am not sure how to start this equation off, either with point slope form or some other formula I can't remember
Click here to see answer by lwsshak3(11628)

Question 906071: 4x + 2y
y= -2x +3
solve by graphing
Please help me solve this problem
Thank You

Click here to see answer by MathLover1(20849)

Question 906226: Graph the inequality. y < 1/3x +2 (Please clearly label the points when you graph it so I can see how you got the answer.) Thanks :)

*I do know that it is a dashed line because it's a <(greater than symbol)
* I also know that if it's false, the other side is shaded. And if it's true, you shade the side with the test point.
Thanks for the help :)

Click here to see answer by josgarithmetic(39617)

Question 906314: Solve the following systems of equations using the addition (elimination) method.
What type of system is it? Name the solution if there is one.
-2x+3y=5
2x-y=1

Click here to see answer by ewatrrr(24785)

Question 906313: Solve the following systems of equations using the addition (elimination) method.
What type of system is it? Name the solution if there is one.
x+y=6
x-y=4

Click here to see answer by ewatrrr(24785)

Question 906436: Please help me graph these two equations on a number line and write in interval notation�.
1) |4-3x| < or equal to 13
2) |2x-5|-5 > 20

Can you please also explain the graphs on these two equations. I'm really trying to understand how to graph these. Some of them look really weird, so it seems incorrect. Please help.
Thank you So much!
Click here to see answer by stanbon(75887)

Question 906361: Hi,
graph inequality
x > - 3y + 9
Click here to see answer by MathLover1(20849)

Question 906562: Solve the following systems of inequalities using the graphing method.
Shade the solution set.
x≥5
y<3

show graph

Click here to see answer by Theo(13342)

Question 906559: Solve the following systems of equations using the addition (elimination) method.
What type of system is it? Name the solution if there is one.
5x+y=2
3x+y=1

Click here to see answer by nihar*2013(34)

Question 906646: Solve each system by graphing
3x-4y=13
2x+y=5
I got y=2x-5 and y=3/4-13/4 Is that correct? If not can you please show me how to get the correct answer? Please show me how to graph it too! Thank you.

Click here to see answer by MathLover1(20849)

Question 906961: I have a problem that asks me to:
*Find the area of each parallelogram.
*Write an equation for side of each parallelogram.
*What do you notice about the slope of the opposite sides of each parallelogram?
Then it shows me a graph with a parallelogram on it. I don't have an example in my math book to help me figure out how to work it out and I don't understand it.
Click here to see answer by Edwin McCravy(20054)

Question 907028: Solve each system of inequalities by graphing
3x+4y>8
y<5x
I have no clue on how to solve this. Please show all your work so I can understand, thanks!
Click here to see answer by KMST(5328)

Question 907356: What is the perimeter of a 5 in. by 7 in. picture frame?
Click here to see answer by ewatrrr(24785)

Question 906543: Graph the system below and write its solution.
{4x+2y=6
{y=-2x+3
*It's either no solution, infinitely many solutions, or it has a solution.
For my answer, I got "Infinitely many solutions" but I am having trouble graphing it. How do I plot the points 3/2(x-int.) , (0,3) (y-int.)?
**I know that the slope is 3/2 but I don't know how I would graph that. I do know how to graph (0,3).
*** I HAVE TO graph it as 3/2. I CAN NOT put it as a decimal! Which is why I need help graphing 3/2. Thanks :)
Click here to see answer by Fombitz(32388)

Question 906542: Graph the system below and write its solution.
{4x+2y=6
{y=-2x+3
*It's either no solution, infinitely many solutions, or it has a solution.
For my answer, I got "Infinitely many solutions" but I am having trouble graphing it. How do I plot the points 3/2(x-int.) , (0,3) (y-int.)?
**I know that the slope is 3/2 but I don't know how I would graph that. I do know how to graph (0,3).
*** I HAVE TO graph it as 3/2. I CAN NOT put it as a decimal! Which is why I need help graphing 3/2. Thanks :)

Click here to see answer by Fombitz(32388)

Question 907388: To find the area bounded by the curve of the graph 9-x^2,,and to find the volume bounded by the curve
Click here to see answer by Alan3354(69443)

Question 907436: a. graph the solution 2_< -x +5
b. graph the solution x-3 <2x
Click here to see answer by ewatrrr(24785)

Question 907437: Find the equation of each line. Write the equation in the form of Ax + By = C.
Slope � 1, passes through (2, 2)
______4
Click here to see answer by solver91311(24713)

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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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