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

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Question 31993: y=x+2
how do you solve that and graph it?
Click here to see answer by elima(1433)

Question 32065: this is a question from worksheet pg.478 Glencoe Alebra 1.8-4 Enrichment.
For each of the following polynomial functions, make a table of values for x and y =f(x). Then draw a graph on the grid. The first polynomial funtion is,
f(x)=1-x square. I can do the graph but I have no Idea on how to get the table.

Click here to see answer by Earlsdon(6294)

Question 32101: WHen the numerator of a fraction is increased by 4 , the fraction increaces by 2/3 . What is the denominator of the fraction
Click here to see answer by venugopalramana(3286)

Question 32102: Two persons A and B start at the same time from two palces 20km apart. If they walk in the same direction , A over takes B in 10 hours and if they walk in opposite direction , they meet in two hours . Find the rates at which the walk
Click here to see answer by venugopalramana(3286)

Question 32097: Help me solve g(x)=absolute value of x -3
Click here to see answer by venugopalramana(3286)

Question 32105: A number consists of two digits whose sum is 10 . If 72 be subtracted from the number , the digits are reversed . Find the number ? Sir can u please help me .
Click here to see answer by Paul(988)

Question 32106: A boat goes 24 km upstream and 28 km downstream in 6 hours . It goes 30 km upstream and 21 km downstream in 6 hours 30 minutes . Find the speed of the boat in still water and also the speed of the stream
Click here to see answer by Paul(988)

Question 32112: Two kq of sugar and 1/2 kg of tea cost Rs.32 and 3 Kg of sugar and 1 kg of tea cost Rs.59 . FInd the cost of 1 kg of sugar and 1 kg of tea ? ( pls sir i need this answer urgently ... Thank u )
Click here to see answer by Paul(988)

Question 32118: In a flight of 2800 km , an aircraft was slowed down due to bad weather . Its average speed for the trip was reduced by 100km per hour and time icreased by 30 minutes . Find the original duration of flight ?
Click here to see answer by Paul(988)

Question 32119: Find the value of k for which the system of linear equations 2x+5y=3 ; (k+1)x+2(k+2)y=2k will have infinite number of solutions . ( Pls answer . .. Its urget ..........THAnkS

Click here to see answer by stanbon(75887)

Question 32117: Students of a class are made to stand in rows . If 4 students are extra in a row , there would be two rows less . If 4 students are less in a row , there would be 4 more rows . Find the number of students in the class ?

Click here to see answer by Paul(988)

Question 32103: 1. A number consists of two digits whose sum is 10 . If 72 be subtracted from the number , the digits are reversed . find the number ? 2. Two kg of sugar and 1/2 kg of tea cost Rs.32 and 3 kg of sugar and 1 kg of tea cost Rs.59. Find the cost of 1 kg of tea 1kg of sugar ?
Click here to see answer by checkley71(8403)

Question 32131: If the denominator of a fraction is added to its numerator and the numerator is subtracted from its denominator , the fraction becomes 11/3 . If the numerator exceeds the numerator by 3 , find the fraction ?
Click here to see answer by checkley71(8403)

Question 32128: A man rowing at the rate of 5 km an hour in still water takes thrice as much time in going 40 km up the river as in going 40 km down . Find the rate at which the river flows ? ( Sir pls give me an quick answer ) (thanks )
Click here to see answer by checkley71(8403)

Question 32136: If the denominator of a fraction is added to its numerator and the numerator is subtracted from its denominator , the fraction becomes 11/3 . If the numerator exceeds the denominator by 3 , find the fraction ?
Click here to see answer by checkley71(8403)

Question 32134: A person travels 600 km to his home , partly by train and partly by car . He takes 8 hours of he travels 120 km by train and the rest by car . Find the speed of train and the car ?
Click here to see answer by stanbon(75887)

Question 32129: If 4x-3y/7x-6y=4/3,find x/y ?
Click here to see answer by mukhopadhyay(490)

Question 32115: If the denominator of a fraction is added to its numerator and the numerator is subtracted from its denominator , the fraction becomes 11/3 . If the numerator exceeds the numerator by 3 , find the fraction ? ( Urgent answer Pls ..... Thanks )
Click here to see answer by stanbon(75887)

Question 32113: A and B have a certain number of mangoes . A says to B " If you give 30 of your mangoes I will have twice as many left with you ." B replies , " If you give me 10 , I will have thrice as many as left with you . How many mangoes does each have ? ( Pls help me )
Click here to see answer by mukhopadhyay(490)

Question 32104: 1. A number consists of two digits whose sum is 10 . If 72 be subtracted from the number , the digits are reversed . find the number ? 2. Two kg of sugar and 1/2 kg of tea cost Rs.32 and 3 kg of sugar and 1 kg of tea cost Rs.59. Find the cost of 1 kg of tea 1kg of sugar ?
Click here to see answer by mukhopadhyay(490)

Question 32114: (Sir i am in confussion with this question & i need an answer fastly as possible) Q. A person travels 600 km to his home , partly by train and partly by car . He takes 8 hours if he travels 120km by train abd the rest by car . He takes 20 minutes longer if he travels 200 km by train and the rest by car . Find the speed of the train and the car ?
Click here to see answer by mukhopadhyay(490)

Question 32072: My 13 yr. old son has a project in precalculus and I cannot help. Please help me, help him!!!! Collect at least 15 sets of data from a real world situation. Get your data approved. 2.Display the data you found in table form. 3. Make a scatter plot of data. 4. Find the actual line of best fit on your calculator. Write the equation on your poster. 5. Draw a line of best fit for your data. 6. What is the slope? hat is the y-intercept? What does each mean according to the data? 7. Make a prediciton for an x amount that is not in your data. Make aprediciton for a y amount also. 8. Display the info. 9. Get your data approved. Please help us come up with a priject. He has tried 4 times and she will not except????
Click here to see answer by stanbon(75887)

Question 32132: 1.Solve x+y=a+b , ax-by=a2-b2 2.Solve graphically system of equation 2x-y=5; 4x-y=8
Click here to see answer by AnlytcPhil(1806)

Question 32122: find the vertex and intercepts for each parabola. sketch the graph

g(x)=x^2+x-6
Click here to see answer by venugopalramana(3286)

Question 32165: 3x = 3 + 2y I need three ordered pairs to graph. I have ( 1,0 )
Click here to see answer by mukhopadhyay(490)

Question 32177: how do you plot ordered pairs? -4x+y=8
thank you for your time!
Click here to see answer by QueenVoda(11)

Question 30076: use the intercepts to graph the equation 4x-12=3y
Click here to see answer by checkley71(8403)

Question 32280: could you help me with this equations, im stuck!!!
3x-5=2x
could you show me how i can solve this equation.
please!!!
Thanks
Click here to see answer by mukhopadhyay(490)

Question 32312: write a system of linear equations and solve. How many pounds of bird feed at $1.68 and $.83 per pound must be purchased to have 100 pouns of bird feed at a value of $1.34 per pound?
Click here to see answer by checkley71(8403)

Question 32314: A person can row downstream 20 km in 2 hours and upstream 4 km in 2 hours . Find the mans speed of rowing in the still water and speed of the current ? ( sir pls help me . it's urgent THANKS >>>)
Click here to see answer by checkley71(8403)

Question 32313: Good Evening Sir , I have an doubt can you please help me . the question is as following : A person can row 8 km upstream and 24 km downstream in 4 hours . He can row 12 km downstream and 12 km upstream in 4 hours . Find the speed of the person in still water and also the speed of current ? (is this answer right ..............) A. Let the speed of person be x km/hr & speed of sream be y km/hr . Therefore, Speed of person in downstream is x+y km?hr and speed upstream is x-y km/hr ( can u please solve after this ... I will be indebted >>>>
Click here to see answer by checkley71(8403)

Question 32414: How do i graph this equation by its intercepts.
8x-4y=32

Click here to see answer by wuwei96815(245)

Question 32474: Hi, im Very confused on Linear Graphs anything to do with it.
First here is a problem the i have that i cannot understand at all
{2x+y=-3
{ y= 7
and it says "use substitution to solve the problem"

Click here to see answer by checkley71(8403)

Question 32511: what is the slope of the line (-2,0) (2,2)?
Click here to see answer by checkley71(8403)

Question 32550: write an equation in standard form of the line satisfying the given conditions: passes through (1,-4) and (-6,8)
Click here to see answer by mukhopadhyay(490)

Question 32547: Solve 2x/3+x=1/4
Click here to see answer by mukhopadhyay(490)

Question 32575: How do you find the degree of an angle?
Click here to see answer by mukhopadhyay(490)

Question 32631: Hi, i need some help on idenifying the slope and y-intercept of the line.
One problem is: 3x - y = 12
Thanks for your time.
Click here to see answer by checkley71(8403)

Question 32651: idenify the slope nd y-intercept of the line with the given equation. use the slope and y-intercept to graph the equation.
y= 5/4x + 1
thanks
Click here to see answer by Cintchr(481)

Question 32720: x-4/5=7
Click here to see answer by mukhopadhyay(490)

Question 32758: 9+Y=8-X

Click here to see answer by mukhopadhyay(490)

Question 32782: The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29 cm, find the length of one of the equal legs.
Click here to see answer by Paul(988)

Question 32764: I'm not sure if I'm in the right section, but I would really appreciate help with this problem it says prove that mx-y=b and x+my=c are perpendicular.
Click here to see answer by askmemath(368)

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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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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