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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 565042: Write an equation of the line parallel to the line given by 3x-2y=8 and having the same y-intercept as the line giving by 2x+3y=_4
Click here to see answer by stanbon(57377)

Question 565055: how do you write an equation for the vertical line that passes through (2,4)?
Click here to see answer by nyc_function(2733)

Question 565085: i need to graph an equation for: y=1/3x
Click here to see answer by jim_thompson5910(28595)

Question 565033: write the equation of the line containing the given point and perpendicular to the given line (0,9); 6x+5y=3
Click here to see answer by scott8148(6628)

Question 565120: i need to solve for y and x . i dont quit understand it.here is the problem 7y+15=3x ,15=3x+2y . this is one problem the teacher said i have to combine them.to find y and x
Click here to see answer by stanbon(57377)

Question 565273: Find the equation of the line that passes through the point (1,-2) and is perpendicular to the line passing through the points (-2,-3) and (4,3)
Click here to see answer by mananth(12270)

Question 565299: Hi, can i please get some steps on how to do this question: Find the value of "k" if the line y=-5/2x +2 is perpendicular to this line 4x+ky=7
Click here to see answer by Theo(3464)

Question 565504: y-8=0 I need to put it in a graph
Click here to see answer by stanbon(57377)

Question 565504: y-8=0 I need to put it in a graph
Click here to see answer by josmiceli(9693)

Question 565508: John is presently 12 years older than Joseph. Four years ago John was twice as old as Joseph. How old is each now?
Click here to see answer by josmiceli(9693)

Question 565494: solve for r:
S= rL-a/r-1
Click here to see answer by ad_alta(240)

Question 565545: A farmer plans to enclose a rectangular field, whose length is 16 meters more than its width, with 140 meters of chain-link fencing. What are the dimensions of the field?
Click here to see answer by Leaf W.(97)

Question 565542: The perimeter of a rectangle is 36 meters. If the width is 3 times the length, find the demensions?
Click here to see answer by ad_alta(240)

Question 565540: A resort guarantees that the average temperature over the period Friday, Saturday, and Sunday will be exactly 80 degrees F, or else each quest pays only half price for the facilities. If the Temperatures on Friday and Saturday were 90 degrees F and 82 degrees F respectively, what must the temperature be on Sunday so that the resort does not lose half of its revenue?
Click here to see answer by Alan3354(30993)

Question 565541: I have to graph y=4x with the formula y=mx+b. I get every other problem but this one is just just won't click to my brain! Help me out please?
Click here to see answer by lwsshak3(6514)

Question 565679: what is the y-intercept of a line that passes through (-3,1) and (3,5)
Click here to see answer by ad_alta(240)

Question 565612: write an equation that has an x intercept of 3 and is perpendicular to the graph of 5x-3y=2
Click here to see answer by ankor@dixie-net.com(15657)

Question 565811: 2x+y=-7and y= 3x+3 I HAVE TO FIND OUT ANSWER FOR X AND Y
Click here to see answer by mananth(12270)

Question 565827: can you help me answer the following question and show me step by step how you got your answer. I tried solving it using a website called interactmath.com and I got all the answers wrong.
First problem: 4x-y=9, x-3y=16
Next problem: 3x+4y=5, 2x+y=1
If I can see the work I should be able to solve all the other ones in my text book. Your help is greatly appreciated.
Click here to see answer by mananth(12270)

Question 565864: I need help to find the intersection point of the graphs of the given equations:
y=10x-8
y=3x+2
Click here to see answer by stanbon(57377)

Question 565886: I need step by step help to find the intersection point of the graphs of the given equations:
2x-y=10
y=6-2x
Click here to see answer by stanbon(57377)

Question 565899: What is the slope of the line that contains the points A(0,6) & B(4,0).
Click here to see answer by mananth(12270)

Question 565907: write an equation of a line that has the same slope as 2x-5y=12 and the same y-intercept as 4y=24=5x
Click here to see answer by richard1234(5390)

Question 565935: write an equation in slope intercept form of the line having the givin slope and containing given point
m:3/2, (4,6)
Click here to see answer by mananth(12270)

Question 566022: Which is true of the graphs of these two equations?
y=1/2x+1
2y=x+2
A. The lines lie on top of one another
B. The lines intersect at exactly one point
C. The lines are parallel
D. The lines lie in the same plane, but they never intersect.
Click here to see answer by josmiceli(9693)

Question 566021: Which equation represents a line that intersects y=1/3x-6 at exactly one point?
A. y=1/3x+4
B. y=1/3x
C. y=2/4x-6
D. y=2/6x-6
Click here to see answer by stanbon(57377)

Question 566021: Which equation represents a line that intersects y=1/3x-6 at exactly one point?
A. y=1/3x+4
B. y=1/3x
C. y=2/4x-6
D. y=2/6x-6
Click here to see answer by josmiceli(9693)

Question 566018: Which could not be the slope of a line that intersects the line represented by y=-x+2 at exactly one point?
A. 1
B. 0
C. -1/2
D. -1
Click here to see answer by stanbon(57377)

Question 566017: Which describes the lines represented by these equations?
y=1/2x-4
2y=x+2
A. coincident lines
B. intersecting lines
C. parallel lines
D. vertical lines
Click here to see answer by stanbon(57377)

Question 566015: What is the slope of the line given by the following equation?
y = -6x + 7

Click here to see answer by 10301650(32)

Question 566045: Consider the system of linear equations below.
3x+y=-4
-5x+y=8
A. Graph the system of equations on the coordinate plane. Label each line on your graph and show any work.
B. Use your graph from Part A to estimate the solution for the system of equations. Explain how you determined your estimate.
Click here to see answer by mananth(12270)

Question 566023: Consider the system of linear equations below.
3x+y=-4
-5x+y=8
A. Graph the system of equations on the coordinate plane. Label each line on your graph and show any work you do.
B. Use the graph form Part A to estimate the solution for the system of equations. Explain how you determined your estimate.
Click here to see answer by mananth(12270)

Question 566078: Find the slope of the line that passes through the given pair of points. (If an answer is undefined, enter UNDEFINED.)
(−a + 3, b − 1) and (a + 3, −b)
Please help. Ive tried almosst everything!!
Click here to see answer by nerdybill(6962)

Question 566043: Solve this system of equations by graphing.
-2x+5y=10
y=x+5
A. (-5,0)
B. (5,0)
C. no solution
D. infinitely many solutions
Click here to see answer by mananth(12270)

Question 566239: y=5+3x (1,8)
Click here to see answer by richard1234(5390)

Question 566403: write an equation of a line with a slope -4/5 and a y-intercept of 4
Click here to see answer by mananth(12270)

Question 566534: The sum of two number is 60 and their difference is 40. Find the numbers. (Ans 50 and 10)
Click here to see answer by solver91311(16897)

Question 566761: Write a line parallel to y = 2x-4 and passing through the point (2,3) (1.0 points)
Question 12 options:
a) y=(1/2)x-1
b) y=2x-3
c) y=2x-1
d) none of the above

Click here to see answer by scott8148(6628)

Question 566834: the point (-408,0) ison the x-axis
Click here to see answer by solver91311(16897)

Question 566966: Find the equation for the line that passes through (2,-2) and that is PERPENDICULAR to the line with the equation (y-3)=-1/4(x+3)
Click here to see answer by lwsshak3(6514)

Question 567009: tell whether each relationship is an inverse variation, and why?
4y=X, 3XY=9
Click here to see answer by solver91311(16897)

Question 567010: what are three points that solve the equation -3y=x-7
Click here to see answer by solver91311(16897)

Question 567035: What is the equation, in slope intercept form, of the line that is parallel to the line x-3y=9 and passes through the point (6,3)?
Click here to see answer by mananth(12270)

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, 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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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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310