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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 287506: 11-(x+2)=4-x
Click here to see answer by unlockmath(1599)

Question 287540: can't figure out how to graph y=1/2x -1. I am in 7th grade and really stuck. Thanks
Click here to see answer by jim_thompson5910(28593)

Question 287635: Complete the ordered pair ( , 4) so that it is a solution of x + 2y = 9

Click here to see answer by nerdybill(6958)

Question 287711: I have no idea how to complete these questions.
1)how to graph y = x - 3 / how do I graph when I do not have the solution?
2)how to graph y = 1/2x + 4 by using the slope and y
Click here to see answer by richwmiller(9135)

Question 287739: Looking atthis pair of linear equation, what would your firs stp? (Write your answer and model it )
1. 2y = 6x - 4
-2 + y = 3x

Need to graph it after
Click here to see answer by stanbon(57307)

Question 287743: write an equation of the line containing the given point and parallal to the given line.
(8,2);2x-3y=5
The equation of y=?
what does the equation of y equal?
please advise how to solve this type of
question i went with the answer -5 and that was incorrect

Click here to see answer by richwmiller(9135)

Question 287771: i'm trying to figure out my homework I have to graph inequalities and I just don't understand it. i have to find y of the problems. and it's due tomorrow! please help! problem: x+y>1
Click here to see answer by dabanfield(803)

Question 287769: hgow do i graph this problem y=3x+6

Click here to see answer by jim_thompson5910(28593)

Question 287941: What is the equation in slope-intercept form of the line passing through each pair of points: (6,-2) and (3,-4). (A)y=(3/2)x+9, (B)y=(3/2)x-4, (c)y=(2/3)x-2, or (d)y=(2/3)x-6
Click here to see answer by JBarnum(2044)

Question 287985: Use the intercepts to graph the equation:
x+3y=6
Click here to see answer by rfer(12657)

Question 287966: I have no idea on how to do this problem any help would be greatly appreciated

Find the equation for the line passing through the origin and perpendicular to y = ½ x – 2
Thanks
Holly
Click here to see answer by richwmiller(9135)

Question 288064: Determine whether the two lines with the given equations are parallel, perpindicular, or niether with each other
A) -3y=15x-12
B) y=5x+7
Click here to see answer by richwmiller(9135)

Question 288066: Find the slopw of a line containing the following points. m(5,3) and (1,6)
Click here to see answer by stanbon(57307)

Question 288079: i need to graph this liner equation... 2x-3y=6
Click here to see answer by stanbon(57307)

Question 288087: what is the slope for (5,18) and (-2,-17)?
Click here to see answer by Alan3354(30993)

Question 288105: I am having trouble solving a problem on my pre-algebra worksheet. It says: What is the slope of of the line with the equation 2x + y = 6? How do I solve this problem? I tried to solve the equation, but then I didn't know what to do with the answer. Please help me!
Click here to see answer by richwmiller(9135)

Question 288174: find the slope -10x+6y=-30
Click here to see answer by jim_thompson5910(28593)

Question 288132: find the points of 10x-5y=15 the graph them

Click here to see answer by checkley77(12569)

Question 288173: What is the slope and the y-intercept of y=x-2
Click here to see answer by richwmiller(9135)

Question 288165: A tent maker had 4500 square yards of nylon tent material available. It takes 45 square yards of nylon to make an 8 x 10 tent and 50 square yards to make a 9 x 12 tent. To model this situation, the manager wrote the equation 45x + 50y = 4500.
a) What do x and y represent? Graph the equation.
b) How many solutions are there to the equation, given that the number of tents of each type must be a whole number?
Click here to see answer by richwmiller(9135)

Question 288186: find the slope and y-intercept of x=-6 slope = y intercept =
Click here to see answer by richwmiller(9135)

Question 288192: Which of the following is the equation of the line with slope 7 and y-intercept (0,-6).
a) y=-6x+7
b) -6x+7y=0
c) y=7x-6
d) 7y=-6
Click here to see answer by stanbon(57307)

Question 288192: Which of the following is the equation of the line with slope 7 and y-intercept (0,-6).
a) y=-6x+7
b) -6x+7y=0
c) y=7x-6
d) 7y=-6
Click here to see answer by richwmiller(9135)

Question 288188: A trip will cost $70 per person plus a $420 deposit for the bus. Write a function that represents the total cost of the trip per person.
Click here to see answer by richwmiller(9135)

Question 288216: mike wants to make meatloaf. his recipe uses a total of 5 pounds of meat. if he uses 3 to 1 ratio of beef to pork, how much pork will he use?
Click here to see answer by mananth(12270)

Question 288218: the ratio of men to women is 3 to 4. they 204 men. how many workers are there?
Click here to see answer by jim_thompson5910(28593)

Question 287564: A Broadway theater has 700 seats, divided into orchestra, main, and balcony seating. Orchestra seats sells for $40, Main for $30, and balcony for $20. If all seats are sold the gross revenue is $20,200. If all main and balcony seats are sold, but only half of the orchestra is sold, the gross revenue is $17,400. How many seats are there of each kind?
Orchestra-
Main-
Balcony-
Click here to see answer by ankor@dixie-net.com(15649)

Question 288222: the perimeter of a rectangle is twice the sum of it's length and it's width. the perimeter is 28 meters and it's length is 2 meters more than twice it's width. what is the length?
Click here to see answer by jaydducote(11)

Question 288227: the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its length is 2 meters more than twice its width. what is the length?
Click here to see answer by Deina(147)

Question 288232: a line passing through (-4,4) and (x,-8) is perpendicular to a line with slope 5/12. Find the value of x.
Click here to see answer by richwmiller(9135)

Question 288123: HI.I AM NOT ABLE TO ATTACH THE GRAPH WITH THESE EQUATIONS ARE YOU ABLE TO HELP ME WITHOUT THEM.
The yearly cost T, in thousands of dollars, of tuition and required fees at a private college (includes two- and four-year schools and does not include room and board) can be approximated by where n is the number of years since 1985. That is, corresponds to 1985, corresponds to 1990, and so on. Show your work and explain each answer.
Source: Statistical Abstract of the United States, 2003
a.Find the cost of tuition in 1985, 1996, 2000, and 2004.
b.Graph the equation and then use the graph to estimate the cost of tuition in 2005.

c.Predict the year in which the cost of tuition will be $23,000. Explain your answer.

Click here to see answer by richwmiller(9135)

Question 288249: find the slope of the following line. x=11y
Click here to see answer by unlockmath(1599)

Question 288353: write an equation of the line containing the given point and parellel to the given line
(9,-1)8x-5y=3
the equation of the line is y=
Click here to see answer by richwmiller(9135)

Question 288474: how would you find the equation of a line if you were given the slope and x-intercept?
Click here to see answer by richwmiller(9135)

Question 287423: Find an equation for the line parallel to the line y = 4 and containing the point (9, 9). Write the equation in general form: Ax + By = C.
Click here to see answer by Alan3354(30993)

Question 288487: Regrind, Inc. regrinds used typewriter platens. The variable cost per platen is $1.80. The total cost to regrind 80 platens is $500. Find the linear cost function to regrind platens. If reground platens sell for $10.60 each, how many must be reground and sold to break even?
Click here to see answer by stanbon(57307)

Question 288585: is it possible to simplify y = 2x+7/√9-4x²

Click here to see answer by stanbon(57307)

Question 288598: Given that the graph of the equation y = 2x+7/square root of 9-4x²,intersects the x axis once, how do I calculate the coordinates of this point of intersection

Click here to see answer by richwmiller(9135)

Question 288740: how do you get the x- intercept of y=5/4x-2..........i got a slope of 5/4 and i got an x-intercept of (4/5,0) the x-intercept doesn't sound right to me can you help me??? thanks
Click here to see answer by richwmiller(9135)

Question 288750: what is the slope of a line that is perpendicular to: y=(-1/2x)+4 ?
Click here to see answer by richwmiller(9135)

Question 288763: How do you solve/graph: y+3=5x?
Thank you
Click here to see answer by jim_thompson5910(28593)

Question 288960: Find the length and width of a rectangle whose perimeter is 22 and whose area is 30 square feet.
length is _____?
Width is ______?
Click here to see answer by nyc_function(2733)

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