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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 274752: find the slope of the line 5x +2y =1.
Click here to see answer by stanbon(75887)

Question 274752: find the slope of the line 5x +2y =1.
Click here to see answer by anantha(86)

Question 274769: graph the line y=-x and label two points on your graph
I don't understand this i've tried to read but it confuses me

Click here to see answer by Alan3354(69443)

Question 274786: Write the equation of the line (in slope-intercept form) that passes through (3,4) and has a slope of 5/3.
Click here to see answer by checkley77(12844)

Question 275021: write an equation of the line containing the given point perpendicular to the given line. Express your answer in the form y=mx+b. (3,6);6x+y=8
Click here to see answer by jim_thompson5910(35256)

Question 275024: In 1920, the record for a certain race was 45.1 sec. In 1970, it was 44.1 sec. Let R(t)=the record in the race and t=the number of years since 1920.
a)Find a linear function that fits the data.
b)Use the function in (a) to predict the record in 2003 and in 2006.
c)Find the year when the record will be 43.20 sec.
Find a linear function that fits the data.
R(t)=
Click here to see answer by ankor@dixie-net.com(22740)

Question 275173: Solve the system of equations by graphing. Then classify the system.
x=2
y=-9
What is the solution of the system? Select the correct choice below, and, if necessary, fill in the answer box to complete your choice.
A. The solution is ...... (type an ordered pair)
B. There are infinitely many solutions.
C. There is no solutin.
Click here to see answer by user_dude2008(1862)

Question 275232: Write in slope intercept form
slope -5/6
y intercept 7/6
Click here to see answer by unlockmath(1688)

Question 275239: solves the following linear equation:
5x over 3 + 2 = 7x + 1 over 4
Click here to see answer by unlockmath(1688)

Question 275235: Graph
-4y=X-2
Click here to see answer by checkley77(12844)

Question 275250: Find the slope and the y intercept of the graph of 3x+7=-4
Click here to see answer by jim_thompson5910(35256)

Question 275250: Find the slope and the y intercept of the graph of 3x+7=-4
Click here to see answer by stanbon(75887)

Question 275196: please help me solve this problem....-2x-5y=7
7x+y=-8
Click here to see answer by checkley77(12844)

Question 275192: write a line in parallel and perpendicular to 2x+y=-4 and the point (-4,-5)
Click here to see answer by checkley77(12844)

Question 275329: What is the equation in slope-intercept form of a line passing through points (-2,-1) and (-1,4).
Click here to see answer by stanbon(75887)

Question 275224: what is a linear equation
Click here to see answer by dabanfield(803)

Question 275422: find the slope of the line passing through the points (7,0) and (0,10)
Click here to see answer by rfer(16322)

Question 275362: Find an equation of the line that is parallel to the line y = 6x -4 and that passes through the point (4,5)
Click here to see answer by scott8148(6628)

Question 275396: I need help in solving 1x+1y=4
2x-3y=6
Click here to see answer by edjones(8007)

Question 275443: a tree is 93ft tall casts a shadow of 26ft. Find the angle of elevation of the sun??
Click here to see answer by mananth(16946)

Question 275632: My grandson needs help and I am lost:
find the slope of any line that is perpendicular to the line 5x-2y=12. what are the steps??
Click here to see answer by solver91311(24713)

Question 275632: My grandson needs help and I am lost:
find the slope of any line that is perpendicular to the line 5x-2y=12. what are the steps??
Click here to see answer by josmiceli(19441)

Question 275630: Write the equation of the line that has a slope of zero that goes through the point (5, -2)
Can you give my grandson a hand on this?? thank you
Click here to see answer by solver91311(24713)

Question 275623: what is the slop of the line that passes through (-7,9) and (-6,-5)?
Click here to see answer by JBarnum(2146)

Question 275601: Please help me solve this equation: with a slope of -2/5 and Y intercept 9.
write the equation in the form of Ax+By=C.
Click here to see answer by Alan3354(69443)

Question 275674: Is y+20=-4x and 4y=24x-14 perpendicular, parallel, or neither?
Click here to see answer by JBarnum(2146)

Question 275679: a real life problem based on y and x intercept and solve it
Click here to see answer by richwmiller(17219)

Question 275679: a real life problem based on y and x intercept and solve it
Click here to see answer by JBarnum(2146)

Question 275732: Find the slope of x-y=7.
Can you help me with this, please? Thanks
Click here to see answer by stanbon(75887)

Question 275743: find the intercepts of the equations graph. then graph the equation. 2.1x+3.5y=10.5
Click here to see answer by checkley77(12844)

Question 275881: Which of the following equations describes the line shown below? Check all that apply.
(4,6) (-1,-4)
A. y = 2x - 1
B. y - 4 = 2(x - 1)
C. y - 6 = 2(x - 4)
D. y = 2x - 2
E. y + 6 = 2(x + 4)
F. y + 4 = 2(x + 1) i tried this and the only one i got was b...but how do i know when its plus or minus on the equation???
Click here to see answer by solver91311(24713)

Question 275895: Find the slop and y-intercept for each line.
y = -x + 5
3x + 5y + 10 = 0
Click here to see answer by Alan3354(69443)

Question 275910: I cannot solve these problems and would appreciate help. This is the instruction from the teacher worksheet: "Write each in slope-intercept form."
y-5=5(x-3)
Click here to see answer by josmiceli(19441)

Question 275893: Determine the slope of the line that goes through each pair of points.
(0,4) and (5,0)
Click here to see answer by rfer(16322)

Question 275998: 5x-3y=15;(5,2)
Click here to see answer by mathjames(8)

Question 276018: A system of linear equations in two variables can have _____ solutions
Click here to see answer by stanbon(75887)

Question 276018: A system of linear equations in two variables can have _____ solutions
Click here to see answer by Edwin McCravy(20055)

Question 276005: State which two equations represent perpendicular lines:
a: y = (2/3)x - 8
b: y = (-2/3)x - 6
c: y = (2/3)x - 6
d: y = (3/2)x - 6

Click here to see answer by stanbon(75887)

Question 276004: Write the equation of the line that has a y-intercept of (0,-6) and is perpendicular to the line 2x - 6y = 8.
Click here to see answer by stanbon(75887)

Question 276048: By looking at two linear equations, how can you tell that the corresponding lines are parallel?
Click here to see answer by nyc_function(2741)

Question 276213: y=0.15x+0.79
Click here to see answer by Alan3354(69443)

Question 276228: do the points (-6,5.25), and (2.5,3.25) lie on the same line?
Click here to see answer by Alan3354(69443)

Question 276228: do the points (-6,5.25), and (2.5,3.25) lie on the same line?
Click here to see answer by solver91311(24713)

Question 276234: State which two equations represent parallel lines:
a: y = (3/2)x - 6
b: y = (2/3)x + 5
c: y = (3/2)x - 5
d: y = (-3/2)x + 5

Click here to see answer by checkley77(12844)

Question 276174: What is the equation of the line, in point-slope form, that passes through the points (4, 8) and (2, -2)?
Click here to see answer by checkley77(12844)

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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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, 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