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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 2136: Ques 1. Find the y-intercept of the graph of 6-3y+x=0
Ques 2. What are the x-intercepts of y=20+3(2x+1)
Ques 3. Find the equation of the line that is parallel fo the graph of y=3x-2 and has the y-intercept of (0,3).
Ques 4. Solve by completing the square. Lowest possible terms: x^2-8x+2=0
Ques 5. Solve by completing the square. Lowest possible terms: 6x-x^2=3
Ques 6. Solve for x - Lowest possible terms: 2x^2=162
Ques 7. Solve for x - lowest possible terms: (2x+3)^2=4
Ques 8. Solve for x - lowest possible terms: 5x^2-2=3x
Click here to see answer by sehar(13)

Question 2071: please tech me how to solve these.
-(4/x)2=
it is 4 over x and 2 is an exponent
Click here to see answer by sehar(13)

Question 2138: Find the equation of the line that is parallel to the graph of y=3x-2 and has the y-intercept (0,3)?
Click here to see answer by sehar(13)

Question 844: I don't understand how to decide what the value of x should be in linear equations.
Click here to see answer by P. Sallette(1)

Question 2165: 1)What are the intercepts of y= -3x - 1
2)What are the intercepts of y= -3x + 2
3)Write an equation for the vertical line passing through point (-5, 3)

Click here to see answer by longjonsilver(2297)

Question 987: Are these linear equations?
*y=-4
*3=2x+y
*y=1/4xsquared
Click here to see answer by longjonsilver(2297)

Question 987: Are these linear equations?
*y=-4
*3=2x+y
*y=1/4xsquared
Click here to see answer by sehar(13)

Question 2188: 7 2/5% of x is equal to 74. Solve for x.
Please show all steps.
Click here to see answer by matthew_sessoms(39)

Question 2204: How do i solve
(x-8)/3 = (x+8)/7 ?
thanks!
Click here to see answer by matthew_sessoms(39)

Question 2246: how do i solve 3(x+1/3)+4(x+1/2)=0
Click here to see answer by sehar(13)

Question 2327: how do you graph the equation 2y-4=4x & then solve for y & then find 3 solutions
Click here to see answer by longjonsilver(2297)

Question 2320: 1). how would you find the slope that passes through the points of (-4 ,-1)and (-3 ,-3 )? and
2). find the slope of the graph 5x -3y = 6
3). simplify :(ab^4)(ab^2).
4). simplify :[(m^3n^4)(m^2n^3)]/[(mn)(m^2n)]
5). solve:y=x+3
3y+x=5
6). simplify: [(3^2)^4]^2
please show me how to do these problems because i have some more to do.

Click here to see answer by longjonsilver(2297)

Question 2271: 6(x+1) = 12(x-3)
then you get
6x+6=12x-36
My question at this point is: How do you know which side to start with. Not sure whether to start with +6 or -36 or 6x or 12x.

Click here to see answer by longjonsilver(2297)

Question 2331: Solve the equation 3x + y = 6 for x.
Click here to see answer by longjonsilver(2297)

Question 2335: Can you please explain how do the following problem?
If 2x+10=x+2
____ ____
2 10
what is the value of x -1?
P.D.The ______ below the 2x+10 means divided by 2 and same thing x+2 means is divided by 10.

Click here to see answer by longjonsilver(2297)

Question 2273: how do you type square
Click here to see answer by usyim88hk(157)

Question 2263: This is the question: Write the equation 3x-4y=20 in slope intercept form.
Help, thank you
Click here to see answer by usyim88hk(157)

Question 2343: how do you solve this equation when trying to solve for x in terms of r?
x=3x+2r
Click here to see answer by usyim88hk(157)

Question 2354: I'm confused about the whole Slope deal. I dont really understand the equations for it. I know that the equation is y=mx+b but how do you solve a problem that is like 10y - 12x = 8?
Click here to see answer by longjonsilver(2297)

Question 2389: Find the equation of the line that has a slope of -3/4 and passes through the point (1,2)
Click here to see answer by longjonsilver(2297)

Question 2397: Find the equation of the line that contains the point (2,-3) and has slope 2/3.
Click here to see answer by longjonsilver(2297)

Question 2390: Find the equation of the line that passes through the point (2,-1) and is parallel to the line 2x+7y=5
Click here to see answer by longjonsilver(2297)

Question 2391: Find the equation of the line that passes through the point (1,3) and is perpendicular to the line 2x+3y+5=0
Click here to see answer by longjonsilver(2297)

Question 2406: find the equation of the line that contains the points (-2,5) and (3,3)
Click here to see answer by longjonsilver(2297)

Question 2407: Given C(x)=24.41x + 122 and R(x)=27x, what is the marginal cost and the marginal revenue?

Click here to see answer by sarahcwc(1)

Question 2418: Please help with this problem:
3(6s + 12) - (10s -6)=0
Click here to see answer by usyim88hk(157)

Question 2439: whats the answer to 9x-12=3x
Click here to see answer by usyim88hk(157)

Question 2431: A store sold 200 racquets. Some sold for $33 and some sold for $18. The total value of the racquets sold was $4,800. How many racquets sold for $33 and how many sold for $18.
Click here to see answer by gsmani_iyer(180)

Question 2478: A certain linear function is expresed in terms x and y. The graph of the function has a slope of 2/3 and a y-intercept of 3. What is the equation of this function?
Click here to see answer by matthew_sessoms(39)

Question 2490: Find the equation of the line that has a slope of -3/4 and passes through the point (1,2)
Click here to see answer by matthew_sessoms(39)

Question 2506: how do you solve this equation?
1/x-1 + 2/x = x/x-1
Click here to see answer by borzeya(6)

Question 2506: how do you solve this equation?
1/x-1 + 2/x = x/x-1
Click here to see answer by kiru_khandelwal(79)

Question 2548: 4w-1=7(w+2)
Click here to see answer by kiru_khandelwal(79)

Question 2546: Solve the following:
3(9+4a)+2a=7(2-5a)
Click here to see answer by kiru_khandelwal(79)

Question 2581: ok...seems easy, but i dunno get it....solve.
3x=2x+8
Click here to see answer by kiru_khandelwal(79)

Question 2600: Would you please be able to give me a detailed description on how to do this linear quetion?
QUESTION: A rock climber climbs a cliff at a steady rate. She starts at the bottom of the cliff, which is 1200m above sea level. 8minutes into the climb she is 1224m above sea level.
a. Let y=metres above the sea
and x=Climbing time in minutes.
Write the coordinates of the y-intercept.

b. What are the coordinates of another point?

C.How many metres is she climbing per a minute?
D.What is teh equation the describes her height above sea level while she is climbing?
E. She finishes climbing the cliff in 18 minutes. How high is she above sea level?

Thank you so so much if u can help i need detailed exlanations if possible thanks

Click here to see answer by longjonsilver(2297)

Question 2599: What is the equation in standard form y=mx =c

To Y-3x + 1=

AND THEN what is the y-intercept of the equation?
Click here to see answer by longjonsilver(2297)

Question 2599: What is the equation in standard form y=mx =c

To Y-3x + 1=

AND THEN what is the y-intercept of the equation?
Click here to see answer by kiru_khandelwal(79)

Question 2605: How do you solve for y...
90=3y/4
Click here to see answer by kiru_khandelwal(79)

Question 2527: how do you solve r+4/3 = r/5 ? and problems similar to that one?
Click here to see answer by kiru_khandelwal(79)

Question 2536: Find the midpoint of the line segment joining the points (3,7) and (-6,1)
a: (-3/2, 4)
b: (9/2, 3)
c: (-3,6)
d: (-3,4)
e: none of these
Click here to see answer by kiru_khandelwal(79)

Question 2612: How do I write an equation for the line that has a slope and y-intercept of 3?
Also, how do I write an equation for a line that has a y-intercept of -1 and is perpendicular to a line that has a slope of -1?

Thanks for your help!
Click here to see answer by kiru_khandelwal(79)

Question 2616: find the slope of the line going thru (5,-5);(6,2)
Click here to see answer by kiru_khandelwal(79)

Question 2685: Find the equation of the line that passes through points (7,-2) and (5,-1)
Write the equation of the line in slope-intercept form.
I know the the slope intercept for is y = mx +b
Click here to see answer by kiru_khandelwal(79)

Question 2726: im really having a hard time with this...any help would be appreciated.
Find an equation for the line that passes through (1,-4) and has slope -3/4
Click here to see answer by longjonsilver(2297)

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