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

Algebra ->  Algebra  -> Linear-equations -> Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 441530: are the graphs of the line in the pair parallel.? y=-1/9x+20 x+9y=-9 Click here to see answer by rwm(914)

 Question 441613: Write an equation that satisfies the given conditions: f(0)=12,f(3)=-2 Click here to see answer by stanbon(57290)
 Question 441613: Write an equation that satisfies the given conditions: f(0)=12,f(3)=-2 Click here to see answer by Edwin McCravy(8904)
 Question 441613: Write an equation that satisfies the given conditions: f(0)=12,f(3)=-2 Click here to see answer by robertb(4012)

 Question 441715: Find the slope and the y-intercept of the line. 2x - 4y = -12 Click here to see answer by robertb(4012)

 Question 441867: Select the choice below that could be the first step in solving the following system of equations using substitution: 9x + -y − 8 = 0 7x − 3y = 1 Click here to see answer by rwm(914)

 Question 441944: Story prolem and need help. When making a telephone call using a calling card, a call lasting 4 minutes costs \$1.35. A call lasting 11 minutes costs \$3.10. Let y be the cost of making a call lasting x minutes. Assume the exercise describes a liear relationship. Click here to see answer by htmentor(789)

 Question 442168: Find the equation of the line (in slope-in form) that is perpendicular to 2x-y=4 and passes through the vertex of the parabola y=x^2-6x+7 I know slope int for is 2x-4=y but having problems with the rest Click here to see answer by josmiceli(9668)

 Question 442272: The bus in Cheyenne charges \$5.00, regardless of the distance you ride. I have to graph this and I believe it is either a no slope line(horizontal) or an undefined slope(verticle). I am not sure which is the independent varible (x) and which should be the dependent varible (y). Any help would be great. Thanks!! Click here to see answer by ilana(307)

 Question 442281: State whether the statement is TRUE or FALSE. (a) y = 3x – 1 and y = 2x –1 are parallel. (b) y = 5x + 6 and 5y = x + 6 have the same y-intercept. (c) The gradient of 5y = x + 6 is 1/5 . (d) y = 4 is a horizontal line. (e) y = 4x goes through the point (4, 1). (f) x = 4 is a vertical line. Click here to see answer by ilana(307)

 Question 442279: Calculate the slope of a line which passes through the points (a) (6, –2) and (4, 10). (b) (–3, 5) and (–3, –7) Click here to see answer by rfer(12657)

 Question 442328: Find a new perimeter of a rectangle which has 10 inches for the width and the length is 4 less than 3 times the width. Click here to see answer by swincher4391(726)

 Question 442275: why should we clear decimals when solving linear equations and inequalities Click here to see answer by mananth(12270)

 Question 442362: "What Is The X-Intercept For This Linear Equation? 6x-y=9" Click here to see answer by stanbon(57290)

 Question 442352: Passing through the point (5,10) and parallel to the line with equation 7x+5y=11 Click here to see answer by stanbon(57290)

 Question 442360: Which choice is the equation of a line that passes through the point (–6, –2) and is perpendicular to the line represented by this equation? Click here to see answer by stanbon(57290)

 Question 442518: find the slope of the line that goes through the given points (4,-9) and (4,-10) Click here to see answer by rwm(914)

 Question 442402: Find four essential vitamins and minerals and their recommended daily values ( in milligrams). Likewise, find four more foods that contain each of the six vitamins and minerals you have listed. Determin that amount of each nutrient found in one serving of food. A linear system of equations, constructed and not solved. Click here to see answer by rwm(914)

 Question 442401: Gather data on the amount of calcium and iron (in milligrams) found in one 10oz package of broccoli and in a 1/2 cup of frozen corn. The recommended daily values (in milligrams) of calcium and iron. After collecting the data, it should be clear that one 10oz package of broccoli and one 1/2 cup of frozen corn will not allow a person to achieve the minimum levels of calcium and iron for one day. To that end, you need to determin how much of each food item you need in order to reach those levels. Construct and solve a linear system of two equations that would make that determination. Click here to see answer by rwm(914)

 Question 440220: Find the equation for the line that is perpendicular with the equation x=5 and passing through the point (5,-5) and write in slope intercept form. Click here to see answer by rwm(914)

 Question 442267: How do I simplify this question: 1 / x (squared) minus 1 / y (squared) divided by x / y minus y / x *** I hope I made this question understandable. ~ and I forgot what equation this is. Click here to see answer by rwm(914)

 Question 441129: a woman invested some money at 8% and some at 9%. the interest for 1 year on the combined investment of \$10,000 was \$840. how much was invested at each rate. Click here to see answer by rwm(914)

 Question 440122: I really need some help I can't use cramer's Law or solve ot with a calculator. -11x - 3y - 10z = 17 -12x - 5y + 2z = 84 3x - 6y + 3z = 51 Any help would be greatly appreciated!! Click here to see answer by rwm(914)

 Question 442532: Having serious trouble finding the answer. Would you please show me step by step so I can understand how the solution is found. 1/12y +3=11 Click here to see answer by stanbon(57290)
 Question 442532: Having serious trouble finding the answer. Would you please show me step by step so I can understand how the solution is found. 1/12y +3=11 Click here to see answer by swincher4391(726)

 Question 442689: find a linear function,h, given h(-6)=32 and h(7)=20. Click here to see answer by swincher4391(726)
 Question 442689: find a linear function,h, given h(-6)=32 and h(7)=20. Click here to see answer by robertb(4012)

 Question 442692: find a linear function,f, given f(9)= 12.5 and f(-9)=3.5 Click here to see answer by swincher4391(726)

 Question 442834: Find the slope if there is one. x-4=8 Click here to see answer by kittycat1613(12)

 Question 442837: The nurse calculates the iv flow rate for a postoperative client. The client is to receive 3000ml of Ringer's lactate. the solution is to run for 24 hr. the iV infusion set has a drop factor of 10 drops/ml. The nurae should regulate the client's iV to deliver how many drops/min? (start with what is wanted) Click here to see answer by jorel1380(2518)

 Question 443080: Find the slope and the y-intercept. y=3.4x-6 The slope is _______. (Type an interger or a decimal.) The y-intercept is (0,___). (Type an interger or a decimal.) Click here to see answer by angelagallegos(8)

 Question 443077: Find the slop-intercept equation of the line that has the given characteristics. slope 9 and y-intercept (0,7) The slope-intercept equation is y=______ Click here to see answer by swincher4391(726)

 Question 443110: solve the elimination method x + 8y=14 -x + 8y=2 Click here to see answer by swincher4391(726)

 Question 443112: solve the elimination method x + 8y =14 -x +8y =2 Click here to see answer by swincher4391(726)

 Question 443108: solve the following systems of equations x + 5y=2 3x + 19=y Click here to see answer by swincher4391(726)

 Question 443075: Find the slope and the y-intercept of the line. 6x=5y+30 The slope is_______. (Type an integer or a fraction.) The y-intercept is (0,____). (Type an integer or a fraction.) Click here to see answer by nerdybill(6958)

 Question 443114: x + 5y = 2 x = 6 - 5y Click here to see answer by swincher4391(726)

 Question 443113: solve the following systems of equations 2x + y =11 3x + 4y =4 Click here to see answer by swincher4391(726)

 Question 443070: Find the slope, if it exists of the line containing the pair of points (-9,-5) and (-14,-7) The slope is? (type an interger or a simplified fraction) Click here to see answer by swincher4391(726)

 Question 443115: 7x + 9y = -8 5x - 9y = -52 Click here to see answer by swincher4391(726)

 Question 443116: what is the solution of the systems 7x + 9y = -8 5x - 9y = -52 Click here to see answer by swincher4391(726)

 Question 443117: solve the following systems of equation 2x + y =11 3x + 4y =4 Click here to see answer by swincher4391(726)

 Question 443119: Everton College Store paid \$1666 for 47 calculators. The store paid \$10 for each scientific calculator. The others all graphing calculators, cost the store \$56 each. How many of each type of calculator was ordered? Click here to see answer by swincher4391(726)

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