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

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Question 1120053: Using a scale of 2cm to unit on both axis draw the graph of y=x+2
Click here to see answer by Shin123(626)

Question 1120162: x^3+20x^2+96x-36=0
based on the given figure, are there any constraints on the values of x?
Click here to see answer by ikleyn(52781)

Question 1120163: Eliana wants to make a diorama for an art contest. She starts with a rectangular sheet of cardboard that is 12 in. long and 8in. wide. She plans to make the diorama box by cutting identical squares from the corners and folding the sides to create a box with an open front.
Write expressions for the length and width of the back of the diorama box. Use your expressions to find a polynomial in standard form that represents that area of the back of the box. Classify the polynomial by degree and number of terms.
Click here to see answer by ikleyn(52781)

Question 1120321: Write a linear equation that expresses the relationship between the temperature in degrees Celsius C and degrees Fahrenheit F. Use the fact that water freezes at 0�C (32�F) and boils at 100�C (212�F).

Click here to see answer by solver91311(24713)

Question 1120333: some part of a journey of 780 km was made by a car with speed of 60 km per hour and the remaining journey was made by train with a the speed of 100 km per hour.if the total time required was 9 hours find the time taken by train and distance covered by train
Click here to see answer by josgarithmetic(39617)

Question 1120332: last year total number of students in a school was 5000 this year the number of boys increased by 5% and that of girls increased by 3% the total number of students increased by 202 to how many boys and girls were there in a school last year
Click here to see answer by ankor@dixie-net.com(22740)

Question 1120363: The length of a rectangle is
2

cm
longer than its width.
If the perimeter of the rectangle is
44

cm
, find its area.

Click here to see answer by addingup(3677)

Question 1120386: Find the equation of the line tangent to the circle x2 + y2 = 25 at point (-1,5). Use the general equation of the line for your final answer.
the answer would be: 3x+ ____ y- _____ = 0
Click here to see answer by josmiceli(19441)

Question 1120387: Find the equations for two lines that both go through the point (1,2), one with slope 3 and one with slope -1/3. (write the numerical coefficient of each term to complete the required equation)
the answer would be.
a. With the slope =3: __ x-y- ____=0
b. With slope = -1/3: x + ___ y - ___=0
Click here to see answer by solver91311(24713)

Question 1120391: Find the equation of the lines that are both passing through the point (10,-8) with slopes 5 and -1/5.
Answer: ___ x - y - ____ = 0
x + ___ y+ ____ = 0
Click here to see answer by josgarithmetic(39617)

Question 1120389: Find the equation of the line which contains the point (-2,3) and is parallel to the line 3x+5y=17. (write the numerical coefficient of each term to complete the required equation)
Answer would be: ___x + ___ y - ___ = 0
Click here to see answer by josgarithmetic(39617)

Question 1120390: For P=(5,2) and Q=(7,-11), Δx, Δy, and the slope of the line segment from P to Q. (use decimal value for fractional answer)
a. Δx = ___
b. Δy = ___
c. slope = ___
Click here to see answer by josgarithmetic(39617)

Question 1120264: How do I solve
inequality, an graph the solution set
1. -14>-2c
2. 18x-12.6(2x-8)

Click here to see answer by rfer(16322)

Question 1120456: beware misleading answers!
i am aware that people here is not paid for answering questions.
thus i understand if you decided not answer or just give a hint.
but giving wrong and misleading answer is not fair!
https://www.algebra.com/my/Linear-equations.faq.question.1120391.html
https://www.algebra.com/my/Linear-equations.faq.question.1120390.html
https://www.algebra.com/my/Linear-equations.faq.question.1120389.html
Click here to see answer by Theo(13342)

Question 1120453:
Click here to see answer by josgarithmetic(39617)

Question 1120517: For what values of m is the line y=mx, a tangent to the parabola y= x^2 - 8x + 25? Thank you :)
Click here to see answer by rothauserc(4718)

Question 1120563: Find the line tangent to the circle with center at C(3,1) at point (6,-9).
Answer: ____x -____y -____=0
Click here to see answer by josgarithmetic(39617)

Question 1120571: For what values of m is the line y= mx a tangent to the parabola y=x^2 - 8x + 25?
Click here to see answer by ikleyn(52781)

Question 1120641: a dairy gas cream containing 24% butter fat and milk that is 23% butter fat. how much if each must be mixed to obtain 30 gallon of a richer milk containing 4% butterfat
Click here to see answer by rapture1965(18)

Question 1120769: Please help me with this problem. Please show work. Thank you.
Write the equation that describes the line with slope =2 and y-intercept in slope intercept form.
Once again, thank you so much.
Click here to see answer by josgarithmetic(39617)

Question 1120766: Please help me with this problem. Thank you
Write the equation that describes the line with slope =2 and y-intercept in slope intercept form.
Please show work.
Once again, thank you so much.
Click here to see answer by josgarithmetic(39617)

Question 1120777: Please help me with this problem. Please show work. Thank you.
Write the equation that describes the line with slope =2 and y-intercept in slope intercept form.
Once again, thank you so much.
Click here to see answer by rothauserc(4718)

Question 1120802: can you please help me solve this problem if3(x-1)-5(x-4)=8 find the value of x-5 1 upon 2

Click here to see answer by josgarithmetic(39617)

Question 1120826: Please help me with these 2 problems. Thank you
1. Find the slope of the line described by x-3y=-6
2. Write the equation that describes the line with slope =2 and y-intercept in slope intercept form.
Once again, thank you so much.
Click here to see answer by Shin123(626)

Question 1120839: Please help me with this problem. Thank you very much.
What is the slope of the line in the graph of 2x-y=-18
Click here to see answer by josgarithmetic(39617)

Question 1120841: Please help me with this problem, and please show work so I can get a better understanding on how to work it out. Thank you very much.
What is the slope of the line in the graph of 2x-y=-18
Click here to see answer by Shin123(626)

Question 1120869: find the equation of line passing through A(-2,3) and perpendicular to the line 2x-3y+6=0
Click here to see answer by Boreal(15235)

Question 1120869: find the equation of line passing through A(-2,3) and perpendicular to the line 2x-3y+6=0
Click here to see answer by greenestamps(13200)

Question 1120869: find the equation of line passing through A(-2,3) and perpendicular to the line 2x-3y+6=0
Click here to see answer by josgarithmetic(39617)

Question 1120870: Given that y=2x^1/3. find dy/dx from the first principle
Click here to see answer by Alan3354(69443)

Question 1120950: The line segment connecting (xsub1,6) and (9.ysub2) is bisected by the point (7,3). Find the values of xsub1, and ysub2.
Click here to see answer by Boreal(15235)

Question 1120947: A ladder 10ft long leans against a wall, touching it 8ft above the ground. What is the slope of the ladder? Can a 6ft tall pass under the ladder 1ft away from the wall? Can the same person pass under the ladder 2ft away from the wall?
Click here to see answer by Boreal(15235)

Question 1120974: Please help me with this problem. thank you
What is the x-intercept of the line with the equation y=1/4x-1. Please shoe your work. Once again, thank you.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1121114: what is the linear equation that has a line that passes through (1,-4) and has a slope that is undefined?
Click here to see answer by greenestamps(13200)

Question 1121114: what is the linear equation that has a line that passes through (1,-4) and has a slope that is undefined?
Click here to see answer by josmiceli(19441)

Question 1121081:
Click here to see answer by Alan3354(69443)

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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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, 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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