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

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Question 74223: graph
a)by finding the x- and y-intercept: x-3y=-6
b)x-4y=-8
Click here to see answer by rmromero(383)

Question 74223: graph
a)by finding the x- and y-intercept: x-3y=-6
b)x-4y=-8
Click here to see answer by bucky(1732)

Question 74254: 2x+y=6 and 1/2x+1/4y=1 and 1/3x-1/2=3 and -2x+y=4 I am having so much problems with these kinds of problems. please help.
Click here to see answer by stanbon(26297)

Question 74209: Find k if the following system of equations has infinite solutions
kx + 3y = k – 3
12x + ky = k

Click here to see answer by jim_thompson5910(13794)

Question 74366: Solve this problem using the substitution method
4x - y = -3
y - 3 = 4x
Click here to see answer by stanbon(26297)

Question 74366: Solve this problem using the substitution method
4x - y = -3
y - 3 = 4x
Click here to see answer by checkley75(3666)

Question 74366: Solve this problem using the substitution method
4x - y = -3
y - 3 = 4x
Click here to see answer by jim_thompson5910(13794)

Question 74427: Rewrite the Linear System where like terms are in columns:
8x = y + 1
3y + 8x = 7
Click here to see answer by jim_thompson5910(13794)

Question 74438: How do you find the slope of a line?
Click here to see answer by jim_thompson5910(13794)

Question 74453: x + Y = -3
2x - y = -3
Pls solve and show detail. Need to know if graph has one solution, no solution, or infinitely many solutions.
Click here to see answer by checkley75(3666)

Question 74478: The lines described by 3x-y=17, 2x+5y=17, x+2y=a+b, and x-y=3b-5a all pass through the same point. What is the ratio of a to b?
Click here to see answer by scott8148(3385)

Question 74526: Which of the ordered pairs is a solution for the equation 2x – 3y = 6?
A) (0, 2)
B) (–3, 0)
C) (–3, –2)
D) (0, –2)

Click here to see answer by funmath(2873)

Question 74537: Find the slope and y-intercept.
–2x – 7y = 35

Click here to see answer by funmath(2873)

Question 74541: Write the equation of the line that passes through point (5, 19) with a slope of 5.
Click here to see answer by checkley75(3666)

Question 74540: Are the following lines parallel, perpendicular, or neither?
L1 with equation x – 7y = 21
L2 with equation 7x + y = 7
A) Parallel
B) Perpendicular
C) Neither

Click here to see answer by checkley75(3666)

Question 74539: Write the equation of the line with slope –2 and y-intercept (0, 0). Then graph the line.
Click here to see answer by checkley75(3666)

Question 74551: Why do the points in a linear equation line up in a straight line and not in a curve?
Click here to see answer by venugopalramana(3286)

Question 74603: what point lies in the solution set for the following system:
4x+y<1
8y-3x>24
Click here to see answer by stanbon(26297)

Question 74423: 2x+2y+3z=13
-3x+4y-z=5
5x-3y+z=2
solve a system of 3 linear equations in 3 variables by the addition method. I keep coming up with fractions for x variable. i must be missing something in one of steps.
Click here to see answer by scott8148(3385)

Question 74618: Given f(x) = –x – 4, find f(a – 3).
Click here to see answer by jim_thompson5910(13794)

Question 74870: What are the x and y intercepts of this equation and how do I find them: 2x+4y=12 kuna high school math books

Click here to see answer by stanbon(26297)

Question 74960: Solve each of the following systems by using either addition or substitution. If a unique solution
does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y = -5x + 3

Click here to see answer by jim_thompson5910(13794)

Question 74978: Find the standard form for the equation of the line which passes through the point (-1,-2) and is parallel to the line whose equation is 6x+2y=4?
Click here to see answer by funmath(2873)

Question 75044: CAN SOME ONE SHOW E HOW TO DO A SLOPE OF THE LINE THAT PASSES THROUGH THE POINTS (4,-7)AND (-2,-5).

THANKS SO MUCH
Click here to see answer by stanbon(26297)

Question 75053: Stan thanks for your help ,i have 20 of these to do can you please help me thanks a millon .

2. Find the equation of the line with a slope of -5 and passes through the point (2, -4).
3. Write an equation of the line that passes through (0, -4) and is parallel y = (3/4)x + 2. Write the answer in slope-intercept form.

4. Solve the system of equations by substitution:
x + 2y = 9
3x - y = 13
5. Solve the system of equations by substitution:
4x - 3y = 1
12x - 9y = 3

Click here to see answer by stanbon(26297)

Question 75051: Stan thanks for your help ,i have 20 of these to do can you please help me thanks a millon .

2. Find the equation of the line with a slope of -5 and passes through the point (2, -4).
3. Write an equation of the line that passes through (0, -4) and is parallel y = (3/4)x + 2. Write the answer in slope-intercept form.

4. Solve the system of equations by substitution:
x + 2y = 9
3x - y = 13
5. Solve the system of equations by substitution:
4x - 3y = 1
12x - 9y = 3

Click here to see answer by checkley75(3666)

Question 75057This question is from textbook

: graph each equation
2x-3y +6
y=This question is from textbook

Click here to see answer by checkley75(3666)

Question 75056This question is from textbook

: write each equation as a function in "y = ..." form.
5y + 3=2y-3x+5
y =This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 75071: Please help . And thanks in advance
Write a system of two linear equations that has .
a) only one solution ,(2,3).
b) an infinite number of solutions .
c) no solution.
Click here to see answer by bucky(1732)

Question 75089: hi,
two linear equations:
x=-3y
x+y=4
Which points represent the common solution for the two equations?
the answer is (6, -2) how did they get that?
thanks
Click here to see answer by checkley75(3666)

Question 75122: how do you write an equation in slope-intercept form of a line that passes through the origin and (2,3).
Click here to see answer by checkley75(3666)

Question 75134: write an equation for a line that contains (1,5) and is parallel to 2x+y=-1.
write an equation for a line that contains (1,5) and is perpendicular to
2x+y=-1
Click here to see answer by scott8148(3385)

Question 75154: Please help...Thanks!!
If a line contains the points (1,3), (2,6) and (3,9) determine and write the slope-intercept form of the equation, provide one additional point on this line in (x,y) form, and graph the function.

Click here to see answer by checkley75(3666)

Question 75195: which ordered pair (u,v) is on the line represented by the equation 3u-2v+12=0(-6,8) (-4,0) (18,25) (27,41)
Click here to see answer by jim_thompson5910(13794)

Question 75240: Write equation of line passing through each given pairs of points. Write in slope intercept form:
(-1,3) and (4,-2)

(2,-3) and (2, 4)
Click here to see answer by tutorcecilia(2042)

Question 75234: what is meant by the graph of a straight line?
(please help me, i can't find the answer!! thank you)
Click here to see answer by tutorcecilia(2042)

Question 75310: line passes through (0,-6) and is perpendicular to the x-axis. What is the solution?
Click here to see answer by Earlsdon(4900)

Question 75372: find points on graph using the equation -x+2y=11
how do you find the point for the graph
Click here to see answer by rmromero(383)

Question 75372: find points on graph using the equation -x+2y=11
how do you find the point for the graph
Click here to see answer by checkley75(3666)

Question 75397: Solve. 3(x – 5) + 3x = 4x + 5
Click here to see answer by checkley75(3666)

Question 75414: how do i figure the distance from corner to corner in a square?
Click here to see answer by stanbon(26297)

Question 75416This question is from textbook Prentice Hall Pre Algebra California Edition

: Hi.
What does it mean when the directions say, ''Identify the slope and y-intercept of the graph of each equation''?
I would like to know if you can explain it any better.
Thank you!
Also, I was wondering if you could help me solve this problem out:
Graph the equation y=-xThis question is from textbook Prentice Hall Pre Algebra California Edition

Click here to see answer by Edwin McCravy(2922)

Question 75559This question is from textbook
: Find four solutions for the following and write the solutions as ordered pairs:
y=1/3xThis question is from textbook

Click here to see answer by stanbon(26297)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945