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

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Question 674399: Divide:
x^2-4y^2/6x^2-12xy divided by (x^2+2xy)
Click here to see answer by ReadingBoosters(3246)

Question 674402: Find the slope of the line through the points (10, 7) and (8, �10).

Find the slope of the line through the points (�3, �2) and (�3, 0).

Find the slope of the line through the points (�6, 3) and (5, 3).

Click here to see answer by MathLover1(20849)

Question 674444: Please help me solve this equation: when driving up a certain hill, you rise 15 feet for every 1000 feet you drive forward. What is the slope of the road?
Click here to see answer by unlockmath(1688)

Question 674529: I nedd help to find the slope of a parallel line and the slope of a perpendicular line with this equation 4y - 4x=16
Click here to see answer by solver91311(24713)

Question 674468: Solve for x, y, and z variables of this systems of equations problem: 3x + 2y + z = 7, 5x + 5y + 4z = 3, 3x + 2y + 3z = 1
Please show steps
(I already asked this once, but my answer wasn't explained easily, very hard to understand)
Click here to see answer by solver91311(24713)

Question 674617: 3x-3y=-2 into slope intercept form
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Question 674642: Explain why solving a system of equation graphically can be difficult. Use y=2x-5 and y=-x+3.
Click here to see answer by ewatrrr(24785)

Question 674656: slope of line passing through(1980,18000)(2000,41000)
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Question 674646: Find the slope of a line that passes through (-2,-3)and(1,1)
Click here to see answer by solver91311(24713)

Question 674654: Write the slope-intercept form of the equation for the line that passes through the point (-6,9) and has a slope of -9.
Click here to see answer by ewatrrr(24785)

Question 674860: x-intercept = -8 y-intercept = 5 what is the equation in slope intercept form
Click here to see answer by MathLover1(20849)

Question 675080: x/6-y/2=1/3
Click here to see answer by ReadingBoosters(3246)

Question 675055: Find the slope of a line parallel to the line that passes through the following points (32, -5) and (17, -10)
Click here to see answer by sachi(548)

Question 675056: Find the slope of a line perpendicular to the line that passes through the following points (4, 11) and (-2, 1)
Click here to see answer by sachi(548)

Question 675127: write an equation in slope intercept form: x-intercept 2, y-intercept -6
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Question 675141: state the slope and y-intercept : 7y=4x-7
Click here to see answer by ewatrrr(24785)

Question 675141: state the slope and y-intercept : 7y=4x-7
Click here to see answer by sachi(548)

Question 675183: Find the equation of the line through (-1,1) and (5,2).
(a) x - y - 2 = 0
(b) x - 2y - 1 = 0
(c) x - 6y + 7 = 0
(d) x + y = 0
(e) x - y + 2 = 0

Click here to see answer by ReadingBoosters(3246)

Question 675286: im trying to do the elimination method for this problem: 2x+6y=8
3x+9y=12
please help thanks!
Click here to see answer by ReadingBoosters(3246)

Question 675289: Find an equation of the line that is parallel to y=6x-12 and passes through (-4,1) .
Click here to see answer by khurshidi(7)

Question 675290: Find an equation of the line that is perpendicular to y=-7/5x+10 and passes through (2,1). write in slope intercept form.
Click here to see answer by khurshidi(7)

Question 675462: Find an equation of the line parallel to 5x + 4y = 2 containing the point (3, �1).
Click here to see answer by lwsshak3(11628)

Question 675459: 4x+2y=7
What are the x-and y-intercepts.

Click here to see answer by jpvn2015(54)

Question 675459: 4x+2y=7
What are the x-and y-intercepts.

Click here to see answer by lynnlo(4176)

Question 675492: what is x
4x-3=12x+24
Click here to see answer by jim_thompson5910(35256)

Question 675501: Determine the slop of the line represented by the equation: y=-3x+2
Click here to see answer by jim_thompson5910(35256)

Question 675527: How does the graph of the equation y=5�+1 differ from the graph y=x
Click here to see answer by MathLover1(20849)

Question 675525: Solve 9-5(2x+1)=-28
Click here to see answer by jim_thompson5910(35256)

Question 675529: If the y-intercept determines where the line crosses the y-axis and the vertical shift of the line, which variable represents the y-intercept in the equation :y = mx + b
Click here to see answer by ReadingBoosters(3246)

Question 675526: If slope determines the steepness of a line, which variable represents the slope in the equation : y=mx + b
Click here to see answer by ReadingBoosters(3246)

Question 675572: If a line has the points (4,y) and (16,8), with a slope of -2/3, what is y?
Click here to see answer by Alan3354(69443)

Question 675595: use the quadratic formula to find any x-intercepts on the graph of the equation:

Click here to see answer by lwsshak3(11628)

Question 675588: okay I am on the wrong track all I can remember is slope intercept but that's not what this wants. please help me get back on the right track.

Click here to see answer by ReadingBoosters(3246)

Question 675480: c(5,-2); y= -5x+3
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Question 675367: Write the equation of the line that passes through point (0, 9) with a slope of 6.
Write the equation of the line with x-intercept (�9, 0) and undefined slope. Write your results in slope-intercept form, if possible.
Click here to see answer by ReadingBoosters(3246)

Question 675366: Write the equation of the line passing through (1, �8) and (1, 3). Write your results in slope-intercept form, if possible.
Click here to see answer by ReadingBoosters(3246)

Question 674930: Find the slope-intercept form of the equation of the line passing through the points. (3,1/4), (1/2,3/2)
Click here to see answer by ReadingBoosters(3246)

Question 675741: What is n, if the slope of line 1 is 11/8 and the coordinates of line 2 are (6,2n+1)?
Click here to see answer by ewatrrr(24785)

Question 675745: graph the line using slope and y interscept.
2x+y=4

Click here to see answer by josmiceli(19441)

Question 675745: graph the line using slope and y interscept.
2x+y=4

Click here to see answer by ReadingBoosters(3246)

Question 675773: Suppose that a of students decided to organize a local concert to raise awareness and funds for the tibetan struggle, and that planning for the concert led to this information:
-The relationship between number of tickets sold (s) and ticket price (x) in dollars can be approximated by the linear function s=4,000-250x
-Expenses for promoting and operating the concert will include $1,000 for advertising, $3,000 for pavilion rental, $1,500 for security, and $2,000 for catering and event T-shirts for volunteer staff and band members.
a. Find a function that can be used to predict income (I) for any ticket price(x)
b.Find a function that can be used to predict profit (P) for any ticket price (x)
PLEEEAAAAASEEEE HEEEELLLLLPPP MEEEEEEE!!!!!!!I'M DESPERATE
Click here to see answer by josmiceli(19441)

Question 675799: How do you solve this problem. Write the slope intercept form of the equation of the line parallel to the graph of 2x+y=5 that passes through (0,1)
Click here to see answer by ReadingBoosters(3246)

Question 674407: Find the slope.
Find the slope of the line through the points (-5,3) and (4,3)
Find the slope of the line through the points (5,5) and(1,-1)
Find the slope of the line through the points (3,-5) and (1,1)
Click here to see answer by ReadingBoosters(3246)

Question 675808: What is the slope of the line through the points (5, 2) and (5, -3)?

Click here to see answer by ReadingBoosters(3246)

Question 675709: Patient Appointments Some doctors use the formula ND = 1.08T to relate the variables N (the number of patient appointments the doctor schedules in one day), D (the duration of each patitne appointment), and T (the total number of minutes the doctor can use to see patients in one day).
(a) Solve the formula for N.
(b) Use this result to find the number of patient appointments N a doctor should make if she has 6 hours available for patients and each appointment is 15 minutes long. (Round your answer to the nearest whole number).

Click here to see answer by ReadingBoosters(3246)

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