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

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Question 696802: Please help me solve this question: f+2e=-3
5f+4e=3. Using either the elimination or substitution method.
Click here to see answer by Alan3354(69443)

Question 696802: Please help me solve this question: f+2e=-3
5f+4e=3. Using either the elimination or substitution method.
Click here to see answer by MathTherapy(10552)

Question 696775: Suppose that in one week, your company takes in $2,220 in sales at one of its cell phone stores. The price breakkdown per phone is as follows: cell phone model A4: $35.00 and Smartphone Z20: $50.00. Now suppose that a total of 51 phones were sold; What would be the equation to determine how many of each phone was sold
Click here to see answer by henew(13)

Question 696890: Please help me solve this question: g+12h=8
9g-4h=2. Using either the elimination or substitution method.
Click here to see answer by Alan3354(69443)

Question 696918: Solve for the coordinates of the intersection of these lines:
3x + y = 7 and 2x + y = 4
Click here to see answer by lynnlo(4176)

Question 696953: which line is parallel to the line whose equation is 4x
+3y=7 and also pass through the point(-5,2)?
Click here to see answer by MathLover1(20849)

Question 696957: parallel and perpendicular lines
i need to put my answer into slope - intercept form,y= mx+b form
find the equation of the parallel line that passes thru the given information
Problem
m=3/2 thru (2,6)
I come up up with y-6=2/3(x-2) But i dont think this is right
now i am stumped on these three problems
i need help with
m = -4 thru (-2,3)
and my other problem m=1/3 thru (-1,3)
also m=1/4 thru (2,-4)
thank you for your help i am so mixed up i try and i get it backwards

Click here to see answer by MathLover1(20849)

Question 696986: What is the name of a system of equations with one solution
Click here to see answer by jim_thompson5910(35256)

Question 696994: The value of y at x=-1 in the equation 5y=2 is ?
Click here to see answer by Alan3354(69443)

Question 696885: sketch the solutions to the following system of inequalities
(x-4)^2 + y^2 ( < _ ) is less than or equal to 25
(x+4)^2 + y^2 ( < _ ) is less than or equal to 25
Click here to see answer by Alan3354(69443)

Question 697053: What is the slope of a line parallel to the line 2y=x-3
Click here to see answer by checkley79(3341)

Question 697102: Find the equation of line passing through the point of intersection of the lines y=x and x+y=6 and which is perpendicular to 3x+6y=12
Click here to see answer by lwsshak3(11628)

Question 697116: The length of lines joining A(2,-1) and B (5,y) is 5 - Find Y
I'm at the stage:
25=9+(y+1)^2
Click here to see answer by nerdybill(7384)

Question 697133: write an equation of the line that passes through (-2,8), (-6,0)

Click here to see answer by stanbon(75887)

Question 697165: is Y=1x+4 a linear equation? im really confused. i think im supposed to put it in Y=mx+b form but i keep getting stuck from there because i dont know if i should subtract 1x on both sides. i basically dont know if it is a linear equation and how to find out. Please help.
Thankyou in advance
Click here to see answer by Alan3354(69443)

Question 697227: at a printing firm it costs $35 for 600 sheets and $46 for 800 sheets.
Find a linear model for '$c', for printing 'n'sheets.
how much will they charge for 1000 sheets?
Click here to see answer by josmiceli(19441)

Question 697224: ax+y=c
x+by=d
Click here to see answer by Alan3354(69443)

Question 697259: determine the best method to solve the system of equations. then solve the system
-4x+5y=9, 4x-5y=-7
Click here to see answer by Alan3354(69443)

Question 697393: the area of a parallelogram is 168 sq cm if its base is 14cm what is its height
Click here to see answer by god2012(113)

Question 697389: the area of a rectangular building lot is 6250 sq ft if the width of the lot is 50 ft what is the length of the lot?
Click here to see answer by Alan3354(69443)

Question 697449: What is the slope of the line that contains the points (6,8) and (2,1)?
Click here to see answer by jim_thompson5910(35256)

Question 697449: What is the slope of the line that contains the points (6,8) and (2,1)?
Click here to see answer by Alan3354(69443)

Question 697440: (1)Factor.
4x^2+33x+35
(2)Factor.
4x^2-25x-56
(3)Factor.
6x^2-53x+40
(4)Factor.
y^2-64
(5)Factor.
x^2+16x+64
Click here to see answer by Alan3354(69443)

Question 697440: (1)Factor.
4x^2+33x+35
(2)Factor.
4x^2-25x-56
(3)Factor.
6x^2-53x+40
(4)Factor.
y^2-64
(5)Factor.
x^2+16x+64
Click here to see answer by MathLover1(20849)

Question 697475: choose the equation of the line passing through the point (4,5) and perpendicular to y=1/4x+9
Click here to see answer by mananth(16946)

Question 697476: What is the length of the straight line from Q (-8, 1) to R (4, 6)?
Click here to see answer by mananth(16946)

Question 697492: How do you find the y-intercept when you are given a line with a point (2,4) and a gradient of 1/2?
Click here to see answer by nerdybill(7384)

Question 697582: what is the equation of a line that passes through the point (2,1) and has a slope of 3/4
Click here to see answer by Alan3354(69443)

Question 697670: How do you find the slope of -2-y=0
Click here to see answer by Alan3354(69443)

Question 697701: The y intercept and slope of 4x-6=12
Click here to see answer by Alan3354(69443)

Question 697715: what is the slope of the line given by the equation y+2=-3(x-7)
Click here to see answer by jim_thompson5910(35256)

Question 697717: which of the following points is 8 units away from (12,4)?
Click here to see answer by Alan3354(69443)

Question 697713: need to find a equation of the line (3,-5) has a slope of 2
Click here to see answer by Alan3354(69443)

Question 697755: Which of the following is the y-intercept of the line whose slope is 4 and which passes through the point (8,5)?
Click here to see answer by stanbon(75887)

Question 697755: Which of the following is the y-intercept of the line whose slope is 4 and which passes through the point (8,5)?
Click here to see answer by reviewermath(1029)

Question 697798: Please help me solve this word problem:
In a souvenir shop, Jodi purchased 2 small picture frames and 1 large one for $28. Mike bought 3 medium-size frames and 2 large ones for $56. Shelly bought a small, a medium, and a large frame for $30. Write and solve a system of equations to find the price of each picture frame.
So far I have 2x+z=28 and 3y+2z=56 and x+y+z=30 with x being equal to the price of a small frame, y being the price of a medium one, and z being the price of a large one but I do not know how to solve it.
Click here to see answer by ankor@dixie-net.com(22740)

Question 697941: 3z-4=6z-17
im new to this during online dont have a clue
Click here to see answer by checkley79(3341)

Question 697953: Find the slope of the line:
y=6x+4
Click here to see answer by Positive_EV(69)

Question 697953: Find the slope of the line:
y=6x+4
Click here to see answer by General_Lee87(58)

Question 698006: i dont know how to solve -2x+5y=15
Click here to see answer by MathLover1(20849)

Question 697996: What is an equation for the line with slope 2/3 and y-intercept 9
Click here to see answer by rfer(16322)

Question 698151: Doing algebra and these 3 questions have me stuck, I've tried several times. It's hard to type what I have tried so far. Thanks
1. Use the given conditions to write an equation for the line in point-slope form and in slope intercept form
a) Passing through(1,9) with x-intercept= -5
b)x-intercept= -1/2 and y-intercept=4
2.Evaluate the function at the given values of the independent variable and simplify.
a) f(x) = (2x^2-1)/(x^2) where f(-x)
3. Let f(x)= x^2-x-5 and g(x)= -6x+2
so,find g(5) and f(g(5))

Click here to see answer by solver91311(24713)

Question 698156: the ________ is the set of all solutions to an equation
Click here to see answer by solver91311(24713)

Question 698195: how can i solve these? using substitution elimanation
1. 2x-y=3
4x-y=-1
2. 2x-y=-6
4x+y=-6
3. 6x-5y=-1
5x-4y=-1

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, 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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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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