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

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Question 901253: Use the intercept method to graph each question:
3x+ 4y=12
Click here to see answer by Alan3354(69443)

Question 901254: Use the intercept method to graph each question:
4x+4y=5
Click here to see answer by Alan3354(69443)

Question 901254: Use the intercept method to graph each question:
4x+4y=5
Click here to see answer by josgarithmetic(39617)

Question 901419: I understand the problem but I'm finding it difficult to turn the information into an equations:
Jack's mother gave him a bag containing 50 chocolates to be given to his friends at his birthday party. He gave 3 chocolates to each of his friends and still had 2 chocolates left.
If x is the number of Jack's friends at the party, write an equation to represent the total number of chocolates in terms of x.
Click here to see answer by richwmiller(17219)

Question 901477: How do you solve this problem? How long would it take you to walk 500 meters if you walked 10 meters in 6 seconds?
Click here to see answer by Alan3354(69443)

Question 901477: How do you solve this problem? How long would it take you to walk 500 meters if you walked 10 meters in 6 seconds?
Click here to see answer by josmiceli(19441)

Question 901709: ax-a(a+b)=-x-(1+ab)
Click here to see answer by Fombitz(32388)

Question 901713: How many solutions does the equation have? 4(2x + 3) = 2(3x - 4)
Click here to see answer by harpazo(655)

Question 901779: Find an equation for the linear function g(x) which is perpendicular to the line 5 x - 4 y = 8 and intersects the line 5 x - 4 y = 8 at x = 20.

Click here to see answer by josgarithmetic(39617)

Question 901885: DIFFERENCE OF QUOTIENT:
Find f(a), f(a + h),and the difference quotient
f(a + h) − f(a) /h,where h ≠ 0.
f(x) = 5/(x + 4)
f(a) =
f(a + h) =
(f(a + h) − f(a))/h=

PLEASE EXPLAIN HOW THESE TYPE OF PROBLEMS ARE SOLVED
THANK YOU!!!!
Click here to see answer by Edwin McCravy(20055)

Question 902001: Find the largest four-digit number having exactly three factors, including 1 and itself

Click here to see answer by MathLover1(20849)

Question 902081: The boiling point of water can be modeled as a linear function of altitude. The boiling point of water at sea level is 212�F, and the boiling point of water at 1100 ft above sea level is 210�F.
a. Express the boiling point as a function of altitude.
b. Graph the relationship between boiling point and altitude.
c. Find the boiling point of water at an altitude of 11,000 ft.
Click here to see answer by josgarithmetic(39617)

Question 902093: Find the slope and the y-intercept of the line with the given equation. 4x +5y=25
Click here to see answer by josgarithmetic(39617)

Question 901975: Find a linear equation whose graph is the straight line with the given properties.
Through (4, 12) with slope 3
y(x)=
Click here to see answer by Fombitz(32388)

Question 902161: Find an equation for the line parallel to 7x-3y=1 containing (1,0). Graph both lines.
Click here to see answer by Fombitz(32388)

Question 902145: write a linear equation of a line that passes through (8,-6) and is perpendicular to 2x-y= 4
Click here to see answer by Alan3354(69443)

Question 902147: write a linear equation of a line that passes through (-2,1) and is perpendicular to y= 4x-11
Click here to see answer by Alan3354(69443)

Question 902144: write a linear equation of a line that passes through (3,1) and is perpendicular to y= -3x +2
Click here to see answer by Alan3354(69443)

Question 902146: write a linear equation of a line that passes through (2,-2) and is perpendicular to x+5y= 6
Click here to see answer by Alan3354(69443)

Question 902143: write a linear equation of a line that passes through (-4,2) and is parallel to y= 1/2x+ 5
Click here to see answer by Alan3354(69443)

Question 902222: At sea level, the boiling point of water is 100�C. At an altitude of 5 km, the boiling point of water is 82.5�C.
Write a linear function for the boiling point of water y in terms of the altitude above sea level x.
Click here to see answer by richwmiller(17219)

Question 902092: Find the slope and the y-intercept of the line with the given equation. y=30
Click here to see answer by richwmiller(17219)

Question 902323: 4y/3-2y=14/5
Click here to see answer by stanbon(75887)

Question 902421: Determine whether the equation defines y as a linear function of x. If yes, write it in the form y = mx + b. (If an answer does not exist, enter DNE.)
5x = 11y + 4
Click here to see answer by josgarithmetic(39617)

Question 902552: Photographic Chemicals. A Photographer wishes to mix 2 liters of 5% acetic acid solution with a 10% acetic solution to get a 7% acetic solution. How many liters of 10% acetic solution must be added?
Click here to see answer by josgarithmetic(39617)

Question 902558: Solve each system of equations by graphing. (x+y=4
(x-y= -2
Click here to see answer by mananth(16946)

Question 902551: Speed of an Airplane. Two planes are 6,000 miles apart,and their speeds differ by 200 mph. They travel toward each other and meet in 5 hours. Find the speed of the slower plane.
Click here to see answer by mananth(16946)

Question 902576: For the given rule, complete the table of values
Rule: y=3x+4
X= 1 2 3 4
y=
Click here to see answer by Jc0110(165)

Question 902586: Write a formula expressing the second variable in terms of the first
t 5 10 13 25
x 0 25 40 100
X=
Click here to see answer by ewatrrr(24785)

Question 902584: Write a formula expressing the second variable in terms of the first.
X 1 3 7 12
Y 1 7 19 34
Y=
Thanks for your help
Click here to see answer by ewatrrr(24785)

Question 902581: Please help me solve this equation

Click here to see answer by ewatrrr(24785)

Question 902643: How do I graph y=1/4x-1
Click here to see answer by ewatrrr(24785)

Question 902616: I am trying to run a program that tells me how many prime numbers there are in a range of numbers. I run it in intervals of 10,000 to 100,000. How long would the program take to determine all the prime numbers between 2 and the largest known primes (with about 13 million digits)
for 10,000 it took 0.494s
for 20,000 it took 1.100s
for 30,000 it took 1.965s
for 40,000 it took 3.149s
for 50,000 it took 4.579s
for 60,000 it took 6.305s
for 70,000 it took 8.108s
for 80,000 it took 10.343s
for 90,000 it took 12.560s
for 100,000 it took 15.091s
According to what I have now, How would I find the solution? I do understand that this will take a very long time, but how long exaclty
Click here to see answer by richwmiller(17219)

Question 902684: Im trying to solve to see if these lines parallel, perpendicular or neither:
5x-4y=44, 10x+8y=-32
Click here to see answer by rothauserc(4718)

Question 902750: Undefined slope, through (1,-3)
Click here to see answer by ewatrrr(24785)

Question 902750: Undefined slope, through (1,-3)
Click here to see answer by stanbon(75887)

Question 902790: Write an equation of the line in standard form that satisfies the stated conditions
1) containing the point (-4,2) ; parallel to the line y= -4
Click here to see answer by richwmiller(17219)

Question 902859: 5x-4y=-20
Click here to see answer by richwmiller(17219)

Question 902882: Is the line that passes thru (4,7)(-1,9) perpendicular to the line -10x + 4y= 8?
Click here to see answer by lwsshak3(11628)

Question 902963: Use either the slope-intercept form or the point-slope form to find an equation of each line. Write each result in slope-intercept form, if possible. x-intercept (-3,0) and y-intercept (0,7)
Click here to see answer by josgarithmetic(39617)

Question 902961: Use either the slope-intercept form or the point-slope form to find an equation of each line. Write each result in slope-intercept form, if possible. Slope 6, passes through (1, -2)
Click here to see answer by josgarithmetic(39617)

Question 902962: Use either the slope-intercept form or the point-slope form to find an equation of each line. Write each result in slope-intercept form, if possible. Passes through (-3,6) and (-1, -4)
Click here to see answer by mananth(16946)

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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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