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

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Question 1096121: how to Find the slope and y-intercept of the line whose equation is given.
4(y - 3) + (x - 7) = 5(x + 1) - 5

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Question 1096121: how to Find the slope and y-intercept of the line whose equation is given.
4(y - 3) + (x - 7) = 5(x + 1) - 5

Click here to see answer by Boreal(15235) About Me 

Question 1096194: a basketball player had four games with identical scores and a fifth game that was his high for the whole season. His mean score for the five games was 25 and the range was 15. Use this information to determine his score in each of the five games
write a system of linear equations using the variables x and y and use this system to solve the problem.

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Question 1096203: m= -2/7, (0,0)
Click here to see answer by josgarithmetic(39617) About Me 

Question 1096157: 1) If w varies directly as z and w = 9 when z = -6, find w when z = 3.
a) 0
b) -4.5
c) -2
d) 4.5
2) If y varies directly as x and y = 2 when x = 4, find x when y = 4.
a) 2
b) 4
c) 16
d) 8
3) If y varies inversely as x and y = 15 when x = 3, find y when x = 9.
a) 45
b) 3
c) 15
d) 5
4) If y varies inversely as x and y = 14 when x = 3, find x when y = 84.
a) 6
b) 2
c) 1/2
d) 28
5) When buying gasoline, you notice that 14 gallons of gasoline is approximately the same as 53 liters. Use this information to find a linear model that relates gallons to liters. Then use the model to find the number of liters in 25 gallons. Round your answer to the nearest tenth.

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Question 1096301: What is 8x+19y=-9 in slope intercept form

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Question 1096301: What is 8x+19y=-9 in slope intercept form

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Question 1096329: Evaluate
don't take up so much space

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Question 1096395: I need help
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Question 1096450: Complete the table for the equation
4 x minus 3 y equals 12
4x−3y=12​,
and graph the equation.

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Question 1096468: The total amount will be rs 180.If each of student contribute rs x and our teacher contribute rs 100 .express the statement in the form of linear quadratic equation with one variable.
Click here to see answer by Theo(13342) About Me 

Question 1096561: Q. A man goes to a book-store with a sum of Rs 800 in his pocket and buys 50 copies of a book and there still remains Rs 200 in his pocket. Find the price of a copy.
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Question 1096584: the sum of two digit number and the number obtained by interchanging its digits is 99. find the number
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Question 1096584: the sum of two digit number and the number obtained by interchanging its digits is 99. find the number
Click here to see answer by ikleyn(52781) About Me 
Question 1096584: the sum of two digit number and the number obtained by interchanging its digits is 99. find the number
Click here to see answer by MathTherapy(10552) About Me 

Question 1096586: if the length of the rectangle is reduced by 5 units and its breadth is increased by 3 units then the area of rectangle is reduced by 8 square units. if length is reduced by 3 units and breadth is increased by 2 units, then the area of rectangle will increase by 6 7 square units. Then find the length and breadth of the rectangle.
Click here to see answer by ankor@dixie-net.com(22740) About Me 
Question 1096586: if the length of the rectangle is reduced by 5 units and its breadth is increased by 3 units then the area of rectangle is reduced by 8 square units. if length is reduced by 3 units and breadth is increased by 2 units, then the area of rectangle will increase by 6 7 square units. Then find the length and breadth of the rectangle.
Click here to see answer by ikleyn(52781) About Me 

Question 1096611: write an equation of the line through the point (4, -2) that is parallel to the line -5x + 6y = -2
Click here to see answer by Alan3354(69443) About Me 

Question 1096616: what is a linear equation that is perpendicular to y=5

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Question 1096613: A line passes through A(1,1) and B(100,1000). How many other points with integer coordinates are on the line and strictly between A and B?
Click here to see answer by greenestamps(13200) About Me 

Question 1096628: How to graph the equation Y= -3 using the formula Y=mx+b, my problem is that m is negative and when its solved its value changes to positive or goes the other way
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 1096681: x2 + y2 − 10x − 18 = 0
find the circle and radius of the given equation

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Question 1096705: 4x2 + 4y2 + 16x + 24y + 31 = 0
Find the center and radius of the circle. Thanks! :)

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Question 1096705: 4x2 + 4y2 + 16x + 24y + 31 = 0
Find the center and radius of the circle. Thanks! :)

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Question 1096709: write an equation for the line that passes through (-4,8) and (3, -7). Where does the line intersect the x-axis?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1096746: List the vertex , slope, axis of symmetry, and graph the function. 18.y = -(x-4)+4
a) Vertex
b) Slope
c) Axis of Symmetry

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Question 1096708: . Show that A(-4, 2), B(1, 4), C(3, -1) and D(-2, -3) are vertices of a square
Click here to see answer by Edwin McCravy(20055) About Me 

Question 1096837: -5a over 2=75
what is the value of a ?

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Question 1096850: What is the equation, in point-slope form, for a line that goes through (8, -4) and has a slope -5/6
A. y + 4 = -5/6(x + 8)
B. y + 4 = -5/6(x - 8)
C. y - 4 = -5/6(x - 8)
D. y - 4 + -5/6(x + 8)

Click here to see answer by jim_thompson5910(35256) About Me 

Question 1096903: An adult ticket costs $5. Child's ticket costs $2. A total of 78 tickets were sold for a total of $246. How many adult tickets were sold?
Click here to see answer by josgarithmetic(39617) About Me 
Question 1096903: An adult ticket costs $5. Child's ticket costs $2. A total of 78 tickets were sold for a total of $246. How many adult tickets were sold?
Click here to see answer by greenestamps(13200) About Me 

Question 1096944:
Click here to see answer by Fombitz(32388) About Me 

Question 1097145: Hello, i have problem on a word problem for linear equation. hope you can help me
When making a telephone call using a calling card, a call lasting 5 minutes costs$1.45. A call lasting 15 minutes costs $3.45. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that models the cost of making a call lasting x minutes.

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Question 1097148: my midterms is today and i have a study guide but i'm struggling at the slope problems especially the graphing where would i gonna put the numbers from the graph. thanks
Write an equation of the lines described in problems 39 through 41.
39. with undefined slope, through (-1/8,5)
40. Through (-1,4), parallael to the y-axis
41. perpendicular to y=7, through (9,-7)

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Question 1097253: Find the slope and the y-intercept. Express the intercept as an ordered pair. Simplify your answer.
g(x)=2x-(1+2x)/2

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Question 1097325: a line Passes through (2,-1) and (8,4) A:write an equation for the line in piont-solpe form. B:rewrite the equation in standard form using integers

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Question 1097325: a line Passes through (2,-1) and (8,4) A:write an equation for the line in piont-solpe form. B:rewrite the equation in standard form using integers

Click here to see answer by Fombitz(32388) About Me 
Question 1097325: a line Passes through (2,-1) and (8,4) A:write an equation for the line in piont-solpe form. B:rewrite the equation in standard form using integers

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Question 1097392: How many pounds of pure peanuts must be combined with a 20% peanut mix to produce 2 pounds of a 50% peanut mix?
Click here to see answer by addingup(3677) About Me 
Question 1097392: How many pounds of pure peanuts must be combined with a 20% peanut mix to produce 2 pounds of a 50% peanut mix?
Click here to see answer by MathTherapy(10552) About Me 

Question 1097391: One alcohol solution contains 10% alcohol and another contains 25% alcohol. How much of each should be mixed together to obtain 2 gallons of a 13.75% alcohol solution?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1097388: The difference between the two numbers is 48. The ratio of the two numbers is 7:3. what are the two numbers?
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Question 1097388: The difference between the two numbers is 48. The ratio of the two numbers is 7:3. what are the two numbers?
Click here to see answer by MathTherapy(10552) About Me 

Question 1097387: The denominator of rational number is greater than its numerator by 3. If the numerator is increased by 7 and the denominator is decreased by 1, the new number becomes 3/2?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1097389: The cost of a pencil is 25 cents more than the cost of a eraser. If the cost of 8 pencils and 10 erasers is $12.80, find the cost each.
Click here to see answer by richwmiller(17219) About Me 

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