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

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Question 585880: given that the slope of the line is 5/7.
the slope of the line that is parallel to that line would be?
and the slope of the line that is perpendicular to that line would be?

Click here to see answer by jim_thompson5910(35256)

Question 585881: the chapter title is : Quadratic Equations and Functions
Referring to the figure, use the graph to estimate the
roots of the equation: y = x^2 - 4
theres supposed to be a graph for it but i cant put it
Click here to see answer by jim_thompson5910(35256)

Question 585943: Explain how you can tell that the graphs of 7x - 3y = 5 and
7x - 3y = 8 are parallel without ﬁnding their slopes.
Click here to see answer by jim_thompson5910(35256)

Question 586046: A spool contains 25 1/3 yards of ribbon. It takes 2 � yards of ribbon to make a bow. How many bows can be made?
I have already solved this problem...I know you can make 10 with 2/15 left.
I need help solving this by solving an equation graphically, guess and check, using a table, repeated addition or subtraction. I also need to some how use technology to solve. Any ideas would be great-Thanks!

Click here to see answer by stanbon(75887)

Question 586006: find an equation of a line in standard form slope m=-3/4 & passes (3,-1)
Click here to see answer by computergeek008(7)

Question 586252: What is the equation of the line that has a slope of 1/4 and a y-intercept of -3?

Click here to see answer by stanbon(75887)

Question 586241: Find the equation of the line in standard form through the points (-3,9) (5,7)
Click here to see answer by Vijay Ramrakhiani(2)

Question 586230: Q:Think Metric! C=5/9F-160/9 is an equation relating temperature in Celsius units to temperature measures on the Fahrenheit scale. Let C= degrees Celsius and F= degrees Fahrenheit scale; assume the equation is graphed with c measures on the vertical axis.
a) Identify the slope and C intercept
b) Interpret the meaning of slope and C intercept for purpose of converting from Fahrenheit to Celsius temperatures.
c) Solve the equation for F and rework parts a & b if F is plotted on the vertical axis.
I have done this Question a lot of time but the answers are not coming correct so Any one there who can help me.

Click here to see answer by KMST(5328)

Question 586302: The graph of which of the following equations contains the points (2, 3) and (3, 2)?
Click here to see answer by Alan3354(69443)

Question 586423: Suppose f is a linear function such that f(4) = 6. If the slope of f is 2.9, then what is f(7)?
Click here to see answer by Tatiana_Stebko(1539)

Question 586536: write an equation of the line that passes through the point and has the given slope.write the equation in slope intercept form
(3,0),m=-2
Click here to see answer by tw23279(14)

Question 586509: what is the slope and y-intercept of 4x+5y=-20
Click here to see answer by tw23279(14)

Question 586592: Are are linear equations functions? Is there ever an instance when a linear equation is not a function? And could you provide examples of functions and non-functions.
Click here to see answer by solver91311(24713)

Question 586826: Find the slope of the line through the pair of points.
C(�7, �9), M(5, �4)
12/5 (twelve over five)
13/2 (thirteen over two)
- 5/12 (negative five over twelve)
5/12 (five over twelve)
Click here to see answer by solver91311(24713)

Question 586828: Find the solution of y = �2x � 6 for x = 2.
(2, �10)
(2, �4)
(2, 8)
(�2, 2)
Click here to see answer by solver91311(24713)

Question 586824: Find two numbers with a sum of �32 and a difference of 2
�18 and �16
17 and 15
�16 and �14
�17 and �15
Click here to see answer by Edwin McCravy(20055)

Question 586905: I have to solve
6x-2y=-22
4x+7y=2
The answers are (-3,2)
Click here to see answer by edjones(8007)

Question 586972: Which is the equation of the same line as y=4x-6
Click here to see answer by stanbon(75887)

Question 587113: 3x+2 x=5
Click here to see answer by xdragonfight(116)

Question 587305: In the equation: y = mx + b , what would b= out of the coordinate (-3,0)?
Click here to see answer by richwmiller(17219)

Question 587363: write an equation in slope intercept form for a line that passes through the given point and that is perpendicular to the given line. x= -7; (0,2)
Click here to see answer by josmiceli(19441)

Question 587375: which of the following represents the inequality 6x+2y>12
Click here to see answer by solver91311(24713)

Question 587413: Find a value of n so the linear system has an infinite number of solutions
x-y=4
-2x+2y=n
Click here to see answer by stanbon(75887)

Question 587480: 3/2m = m+7
Click here to see answer by xdragonfight(116)

Question 587490: I found the 2 point equation and cannot find one for 3 point.
I need help writing a 3 point equation of the line.
(0,4)
(2,6)
(3,7)
y=__x plus ____
Click here to see answer by richwmiller(17219)

Question 587685: solve by elimination
2x+y=1
x+y=3
Click here to see answer by Alan3354(69443)

Question 587706: Write the equation of the line with a slope of -5 and a y-intercept of (0,3).
Write the equation of the line with a slope of -1/3 and passing through the point (6, -4).
Write the equation of the line passing through the points (0, -4) and (-2, 2).
Write the equation of the line passing through the points (-6,1) and (-4,2).
Write the equation of the line with an undefined slope, passing through the point (2, 5). Hint: refer back to lesson 4.04 for help with this one.

Click here to see answer by Alan3354(69443)

Question 587814: x-4y=8 solve for y=mx+b then plot
Click here to see answer by Alan3354(69443)

Question 587826: What is the slope of the line (-1,3) and (-1,-2) I know it is undefined but what is the actual slope?
Click here to see answer by Alan3354(69443)

Question 587826: What is the slope of the line (-1,3) and (-1,-2) I know it is undefined but what is the actual slope?
Click here to see answer by josmiceli(19441)

Question 588060: Is this grapg parallel y+3+5x and 8x-5 =-2
Click here to see answer by richwmiller(17219)

Question 588050: Find an equatin of the line that contains the given pair of points.
(22, 25), (5,8)
Click here to see answer by lwsshak3(11628)

Question 588315: what is the point-slope form of the linear equation whose graph passes through (-1,3) and (3,-9)
Click here to see answer by jim_thompson5910(35256)

Question 588475: Write an equation in slope-intercept form of the line satisfying the given conditions:
passes through (10,-3) and has a y-intercept of 2?
Click here to see answer by josmiceli(19441)

Question 588544: y=3x-2. (,1)
Click here to see answer by stanbon(75887)

Question 588571: -4x-5y=30 then graph
Click here to see answer by jim_thompson5910(35256)

Question 589078: I am freaking lost. I am taking survey of mathematics and I am at a loss. I have 20 problems due tomorrow and am stuck on #5 have been for days.
4x - 4y = 1 I. Need the solution for y. How am I going to make it through this term it is only week three?
Click here to see answer by ankor@dixie-net.com(22740)

Question 589318: solve the system of equations by graphing
y=4x
y=-x+5

Click here to see answer by richwmiller(17219)

Question 589358: what is the value of the expression 7x+2 if 5x-11=5
Click here to see answer by nyc_function(2741)

Question 589424: graph the equation y-3=-x
Click here to see answer by stanbon(75887)

Question 589609: I don't understand how to solve this problem, please help me find the steps to solve this problem.
The measure of the second angle of a triangle is 50 more than that of the first. The measure of the third angle is 10 less than twice the first. Find the measure of the angles.
Click here to see answer by mananth(16946)

Question 589571: I am having trouble solving the system of equations by graphing. I think I have it and then I am off by one number.
Here is an example
x-2y=8
x+2y=-4
I need to find the solution set and graph.

Thank you:)
Click here to see answer by mananth(16946)

Question 589635: I don't really get how to solve this problem.
Chris has a jar with dimes and quarters in it. The jar has 7 more quarters in it than it has dimes. If the total value of the coin is $5.60, how many quarters are in the jar?
This was how i did it, but it didn't seem right.
25(x+7) = 560
25x+175=560
25x=560-175
25x=385
x=385/25
x=15.4
Click here to see answer by John10(297)

Question 589643: I'm stuck with this problem..I know the 3 consecutive is;
1st= x
2nd= x+2
3rd= x+4
There are three consecutive odd integers, and the sum of the smaller two integers is 49 less than 3 times the largest integers. Find he the three consecutive integers.
Click here to see answer by John10(297)

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, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 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, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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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, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045