Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 235492: find the slop of a line through points (-1,3) (2,7)
Click here to see answer by solver91311(24713)

Question 235492: find the slop of a line through points (-1,3) (2,7)
Click here to see answer by stanbon(75887)

Question 235540: I have no idea how to do this. Could someone work this out for me.
2x-3y+4z=10
5y-2z=-16
3z=9
Click here to see answer by Alan3354(69443)

Question 235545: I have no clue how to do this. Can you please work it out for me.
x+2y-3z=2
3y- z=13
3y+5z=25
Thank you so much.
Janet
Click here to see answer by ankor@dixie-net.com(22740)

Question 235564: I need to express an equation in the standard form y=mx + or - b
with y-intercept (0,3/4) and m = -2
Click here to see answer by solver91311(24713)

Question 235590: I would love some help on this problem
5/4x + 1/8x =3/8 + x
what is the solution.
thankyou
Click here to see answer by Alan3354(69443)

Question 235532: 5X-7Y=1
2X+5Y=16
could you show the work as well please so i can learn how to do it?
Click here to see answer by Alan3354(69443)

Question 235606: if the x coordinate of a point is positive and the y coordinate is negative, in which quadrant does the point lie?
Click here to see answer by Alan3354(69443)

Question 235602: Explain why x=4 is a vertical line
Click here to see answer by solver91311(24713)

Question 235706: How do you write 6x-4=3

SOLVE IT!
Click here to see answer by Jeff Gordon(65)

Question 235473: I always have trouble with fractions, Im not sure why they put the 5/2 in parenthese,
3/7 x (5/2) =
Click here to see answer by stanbon(75887)

Question 235906: A rectangular shaped parking lot is to have a perimeter of 382 yards. If the width must be 84 yards, what will the length be?
Click here to see answer by rfer(16322)

Question 235910: 3(-4m+7)-(5m-6)
Click here to see answer by rfer(16322)

Question 235813: find the slope and y- intercept 2x=7-y
Click here to see answer by rfer(16322)

Question 235931: not sure how to solve this one
-7x > 1/15 (which is a fraction 1 over 15 in case you cant tell it ambiguos)
Thankyou

Click here to see answer by stanbon(75887)

Question 235937: This is one not sure how to do
Solve the system of equations, give an ordered pair
x+3y=3 (1)
x=5-3y (2) Im not sure what the numbers in parentheses are for
Click here to see answer by Alan3354(69443)

Question 235954: I have one more problem here
5x - 7y = -49
7y - 5x = 49
What is the solution of the system of equations, now I was thinking no solution
and is it consistent or inconsistent
dependent or independent
I came up with all 0's so Im looking forward to see what you get

Click here to see answer by Alan3354(69443)

Question 235964: what is the slope of the line if the pair of points are (1/4, -1/2) ans (3/4,6)
Click here to see answer by solver91311(24713)

Question 235927: Graph the equation and identify the y-intercept
y + x = -4
Thank you for your time
Click here to see answer by rfer(16322)

Question 236056: Write an equation for the line parrallel to the line 6y=5 through the point (4,-4)?
Click here to see answer by stanbon(75887)

Question 236107: 7x=3x-(x+20)
=
=-20
5x=-20
x=
x=-4 is the solution.
Click here to see answer by mathsteacher(28)

Question 236088: Find the slope of the line containing the points p1 and p2
p1(2,3),P2(5,1)
Click here to see answer by nyc_function(2741)

Question 236170: now I tried doing this one but not having luck
0.6x+4<1.0x -9 less than or equal to
-
x/x is what I subtracted 4 from both sides to give me -13 and then subtracted 1.0 to get -0.4 I get less than or equal to -13/0.4, but I think I was suppose to times the decimals by 10, thank you for your help.
Click here to see answer by rfer(16322)

Question 236160: is 2x+y=-9 a linear equation
Click here to see answer by rfer(16322)

Question 236164: graph y=-3x+3
Click here to see answer by rfer(16322)

Question 236215: im supppose to graph my theses points (3,2) with a given slope of 4 it ony gives me one point to graph but i have to draw a line with the slope what should it look like
Click here to see answer by rfer(16322)

Question 236161: is 3x-xy+7=0 a linear equation

Click here to see answer by Alan3354(69443)

Question 236242: y=-3x-2
Click here to see answer by checkley77(12844)

Question 236243: i need to indentify the slope and y intercept of the line with this equation 3x-8y=-24

Click here to see answer by rfer(16322)

Question 236162: Hello,
Having a problem with
5/4x + 1/8x =3/8+x fractions 5 over 4 x + 1 0ver 8x = 3 over 8x
not sure how to do this, fractions are hard for me.
Laurie
Click here to see answer by rfer(16322)

Question 236089: Determine whether the line through points p1 and p2 is parallel to, perpendicular to, or neither parallel nor perpendicular to the line through points Q1 and Q2
P1(-1,4),P2(2,5);Q1(2,4),Q2(3,1)
Click here to see answer by rfer(16322)

Question 236087: find th x- and y- intercepts of the graph of the equation y=2x+8
Click here to see answer by rfer(16322)

Question 236085: Find the equation of the line that contains the point (3,2) and is parallel to the graph of 3x+y=-3
Click here to see answer by rfer(16322)

Question 236299: how do you solve this
x+y=9
-2x+y=-3

Click here to see answer by rfer(16322)

Question 236086: Find the equation of the line that contains the give point and has the given slope P(2,3),m=1/2
Click here to see answer by punksnotdead28(4)

Question 236046: In the United States, 200 million gallons of used motor oil is improperly disposed of each year. One gallon of used oil can contaminate one million gallons of drinking water. How many gallons of drinking water can 200 million gallons of oil contaminate? Express the answer in scientific notation.
Click here to see answer by Theo(13342)

Question 236411: Solve it! 3x-2y=180
Click here to see answer by Jeff Gordon(65)

Question 236474: how do you solve 5m-2n=4 , 3m+n=9 substitution and elimination
Click here to see answer by jim_thompson5910(35256)

Question 236474: how do you solve 5m-2n=4 , 3m+n=9 substitution and elimination
Click here to see answer by JimboP1977(311)

Question 236498: 1/2x-1/10=1/5x+1/2
Click here to see answer by rfer(16322)

Question 236498: 1/2x-1/10=1/5x+1/2
Click here to see answer by jim_thompson5910(35256)

Question 236498: 1/2x-1/10=1/5x+1/2
Click here to see answer by checkley77(12844)

Question 236516: y=3/2x+2
Click here to see answer by jim_thompson5910(35256)

Question 236563: describe how to find the slope of teh graph of linear function f given that f(1)=2 and f(3) = -1
Click here to see answer by jim_thompson5910(35256)

Question 236562: How would you graph y=6/5x+6 on a graph? I do not understand because whenever I try to graph it, it goes off of the graph. thank you so much in advance!!
Click here to see answer by jim_thompson5910(35256)

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