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

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Question 634684: Solve D=ABC solve for B
Click here to see answer by ewatrrr(24785)

Question 634739: solve 3x + 5 = 12
Click here to see answer by jim_thompson5910(35256)

Question 634739: solve 3x + 5 = 12
Click here to see answer by lenny460(1073)

Question 634720: Write the standard form of the equation of the line passing through (5, 2) and perpendicular to 2x-5y=5x+2y
Click here to see answer by lwsshak3(11628)

Question 634878: 2/3x-5=x-3
Click here to see answer by jim_thompson5910(35256)

Question 634923: [calculus].Differentiate using first principle f{x}= -2x^2+3
Click here to see answer by ewatrrr(24785)

Question 634857: 25(x+y)^2-4(x-y)^2
Click here to see answer by jim_thompson5910(35256)

Question 635044: Find an equation in standard form of the line containing the given points: (-2,3), (-2,-3)
Click here to see answer by stanbon(75887)

Question 635073: find an equation of the line having the given slope and containing the given point m=8/9, (4,-8)
Click here to see answer by Maths68(1474)

Question 635131: Write a slope-intercept equation of the line whose graph is described.
Perpendicular to the graph of y=1/3x+7; y-intercept (0,5)
I have been working with this for tow days now, on and off. Am I correct so far?
Perpendicular lines have slopes that multiply to -1.
m * 1/3 = -1

Click here to see answer by ewatrrr(24785)

Question 635107: What is the equation of the line that is parrellel to "y=3x + 4 and passes through ( -2, 3)"
I have no idea what to do.
Click here to see answer by ewatrrr(24785)

Question 635218: -2+y+5=3y+9
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Question 635238: The graph of linear function f has a slope of -2 and intersects the n-axis at n=6.
Find an equation for f(n).
I would like help solving this problem.
I don't know where to start or have a clue...
Click here to see answer by solver91311(24713)

Question 635288: curve c is described by the equation 0.25x2+y2=9. determine the y coordinates of the points on curve c whose tangent lines have a slope equal to 1

Click here to see answer by solver91311(24713)

Question 635379: all about system of linear equations
Click here to see answer by AnlytcPhil(1806)

Question 635438: A farmer buys 100 animals for 100 dollars but lost his receipt. Cows are $20 each, pigs are $6 each and chicks are $1.00 each. How many of each did he buy?

Click here to see answer by ewatrrr(24785)

Question 635479: Write the slope-intercept form of the equation (5,2) and (-5,6)
Click here to see answer by lwsshak3(11628)

Question 635479: Write the slope-intercept form of the equation (5,2) and (-5,6)
Click here to see answer by solver91311(24713)

Question 635488: Write the slope-intercept form of the line (5,2) and (-5,6)
Click here to see answer by solver91311(24713)

Question 635564: Write the equation of the slope-intercept form with a slope of 3 and a y-intercept of -2
Click here to see answer by Alan3354(69443)

Question 635673: What is the (b) in the equation 2=(3/2)(3)+b using the formula y=mx+b
Click here to see answer by jim_thompson5910(35256)

Question 635725: Suppose that in one week, your company takes in $2,220 in sales at one of its cell phone stores. The price breakdown per phone is as follows:
Cell phone model A4: $35
Smartphone Z20: $50
Suppose that a total of 51 phones were sold.
Set up the system of equations that needs to be solved to determine how many of each type of phone were sold. Give a clear definition of the variables in the system.
Solve the system of equations, showing clearly how the solution was determined, and state the results clearly in light of the real-world situation.
Verify your results of the 2 linear equations by graphing in the desired graphing program and paste the graph in your assignment document (edit/copy image).
Explain how the results are verified by the graph. I only need help with the graph portion.
Click here to see answer by ewatrrr(24785)

Question 635760: Solve -4p- 10(2p-3)=22-7(1-2p). Please show all of your work
Click here to see answer by MathLover1(20849)

Question 635812: Can you help me graph 2x+3y=9?
Click here to see answer by MathLover1(20849)

Question 635814: john got 3 books and 5 pens for 60 dollars each book cost 5 times as much as a pen,find the cost of the two books and seven pens
Click here to see answer by checkley79(3341)

Question 635876: Please help me solve this problem : What is the domain,the range,the intercepts,the symmetries and asymptotes of y=x+2/x-2?
thank you
Click here to see answer by stanbon(75887)

Question 635901: find the perimeter of the square. (one side=2x) (other side=x+25)
Click here to see answer by stanbon(75887)

Question 635939: The sum of -3x and 7 is equal to 14. What is x?
Click here to see answer by rose joseph(1)

Question 636032: Explain, in complete sentences, whether or not the expression x2 + 24x + 144 fits one of the special patterns. If so, which one?
Explain how the polynomial is factored.
Provide the factors.
Click here to see answer by ewatrrr(24785)

Question 636047: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
10x + 5y = 52.5
30x � 7y = 80.5
Click here to see answer by Alan3354(69443)

Question 636027: Consider two lines that form a linear system.
Line 1: slope = 4 and y-intercept of (0,-3)
Line 2: slope = 4 and y-intercept of (0,8)
Part 1: What type of lines would this be?
Part 2: How many solutions does this system have?

Click here to see answer by KMST(5328)

Question 636160: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each other. Help, I forgot how to simply find the unique coordinate.
(?# , ?#) I have screen shot if that will help you help me better
Penny
Click here to see answer by jim_thompson5910(35256)

Question 636054: Create your own trinomial. Write it in ascending order and identify its degree
Click here to see answer by Alan3354(69443)

Question 636173: how do i solve p equal 144p over y

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Question 636182: Alex has twice as much money as Jennifer. Jennifer has $6 less than Shannon. Togethere they have $54. How much money does each have?
Click here to see answer by stanbon(75887)

Question 636294: Write an equation of the line containing the given pont ans parallel to the given line. (7,-6); 4x-9y=5.
The equation of the line is Y=__________?
Click here to see answer by reviewermath(1029)

Question 636295: Find an equation of the line containing the given pair of points (-1,-3) and (-4,-7).
Can you please show in detail the part where you multiply the fraction also?
Click here to see answer by reviewermath(1029)

Question 636324: What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x � 3 in slope-intercept form?
Click here to see answer by MathLover1(20849)

Question 636324: What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x � 3 in slope-intercept form?
Click here to see answer by ewatrrr(24785)

Question 636174: Write the equation of the line contining the given points
perpendicular to y= 2x-1, contains (2,7)
Click here to see answer by ewatrrr(24785)

Question 636334: Factor 4x^2+5x-6
Please show how
Click here to see answer by solver91311(24713)

Question 636342: what is the orderd pair of 5x-y=4

Click here to see answer by solver91311(24713)

Question 636291: 12=5+3(x-7)

Click here to see answer by jim_thompson5910(35256)

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, 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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