# Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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 Algebra: Graphs, graphing equations and inequalities Solvers Lessons Answers archive Quiz In Depth

 Question 388220: Find the slope of the line passing through the pair of points: (1,3) and (-5,4). Click here to see answer by Jk22(389)

 Question 388228: a) Sketch the graph of g: x|--> b) Explain why g for x(belongs to) ]-(infinity),-3] has an inverse function c) Find Algebraically, the equation of Thanks :) Click here to see answer by Fombitz(13828)

 Question 388236: Im trying to find the y intercept and the x intercept in that order. -3x + 2y =6 Im also trying to find the median for for these set of numbers 23 51 237 397 462 Click here to see answer by rapaljer(4667)

 Question 388261: What is the equation of the line, in standard form, thta passes through (4,-3) and is parallel to the line whose equation is 4x+y-2+0 Click here to see answer by Fombitz(13828)

 Question 388262: y varies directly with x and has a constant rate of change of 7. When the value of y is 12, then the value of x would be? Click here to see answer by MathLover1(6812)

 Question 388321: For what values of the variable x is the rational expression undefined: 8/(x + 2) Click here to see answer by jim_thompson5910(28715)

 Question 388329: Determine whether (6,-8) is a solution of: 3x-5y=17 Click here to see answer by jim_thompson5910(28715)

 Question 388330: Graph the inequality on a plane. 4x+5y≤20 Please tell me what are the paired orders and tell me what paired order goes where. If I am looking at the graph....does the first paired order go in the north east south east north west or south west and please explain the same way for the second paired coordinates. This will help me understand how to graph better. Thank you in advance! Click here to see answer by jim_thompson5910(28715)

 Question 388332: Find an equation for the line with the given properties. Express the answer using the general form of the equation of a line. Perpendicular to the line -4x + 5y = -23; containing the point (-3, 7) -3x - 5y = -23 -4x - 5 = -4 -5x + 4y = -13 -5x - 4y = -13 Click here to see answer by jim_thompson5910(28715)

 Question 388345: How do u get slope ?plz help fast i don't want to fill da EOC Click here to see answer by jim_thompson5910(28715)

 Question 388348: 1 Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation. 5x2 - 2x - 1 = 0 repeated real solution two unequal real solutions no real solution 2 Write the general form of the equation of the circle with radius r and center (h, k). r = 2; (h, k) = (4, -4) x2 + y2 + 8x - 8y + 20 = 0 x2 + y2 + 8x + 8y + 20 = 0 x2 + y2 - 8x - 8y + 20 = 0 x2 + y2 - 8x + 8y + 20 = 0 3 Write the standard form of the equation of the circle with radius r and center (h, k). r = 10; (h, k) = (4, -10) (x + 4)2 + (y - 10)2 = 100 (x + 4)2 + (y - 10)2 = 10 (x - 4)2 + (y + 10)2 = 100 (x - 4)2 + (y + 10)2 = 10 Click here to see answer by user_dude2008(1861)
 Question 388348: 1 Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation. 5x2 - 2x - 1 = 0 repeated real solution two unequal real solutions no real solution 2 Write the general form of the equation of the circle with radius r and center (h, k). r = 2; (h, k) = (4, -4) x2 + y2 + 8x - 8y + 20 = 0 x2 + y2 + 8x + 8y + 20 = 0 x2 + y2 - 8x - 8y + 20 = 0 x2 + y2 - 8x + 8y + 20 = 0 3 Write the standard form of the equation of the circle with radius r and center (h, k). r = 10; (h, k) = (4, -10) (x + 4)2 + (y - 10)2 = 100 (x + 4)2 + (y - 10)2 = 10 (x - 4)2 + (y + 10)2 = 100 (x - 4)2 + (y + 10)2 = 10 Click here to see answer by stanbon(57967)

 Question 388386: Okay, not sure if I did these problems right or not.. my algebra book isn't very clear with the process. 1. Determine the slope and y-intercept of the graph: 3x + y = 8 I got slope = 3, y-intercept = 8? right or wrong? if so please explain 2. Determine the slope and y-intercept of the graph: -x + 2y =4. I got slope = -1/2, y-intercept = 2? same as above Thank You Everyone who helps me here! xoxo Click here to see answer by jim_thompson5910(28715)
 Question 388386: Okay, not sure if I did these problems right or not.. my algebra book isn't very clear with the process. 1. Determine the slope and y-intercept of the graph: 3x + y = 8 I got slope = 3, y-intercept = 8? right or wrong? if so please explain 2. Determine the slope and y-intercept of the graph: -x + 2y =4. I got slope = -1/2, y-intercept = 2? same as above Thank You Everyone who helps me here! xoxo Click here to see answer by mananth(12270)

 Question 388361: Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols. 1 The profit derived from the sale of x video cameras is \$420 per unit less the sum of \$2700 costs plus \$120 per unit. If P is profit and x the units sold, then P = 420x + 2700 - 120x or If P is profit and x the units sold, then P = 420x - (2700 + 120x) or If P is profit and x the units sold, then P = - (2700 + ) or If P is profit and x the units sold, then P = 420x - (2700 - 120x) or 2Find the center (h, k) and radius r of the circle. x2 + (y + 4)2 = 36 (h, k) = (0, -4); r = 36 (h, k) = (0, -4); r = 6 (h, k) = (-4, 0); r = 36 (h, k) = (-4, 0); r = 6 3Write the expression in the standard form a + bi. i-55 1 -1 -i i 4Find an equation for the line with the given properties. Express the answer using the general form of the equation of a line. Parallel to the line 3x - 4y = 1; containing the point (-1, 0) 3x - 4y = 4 3x - 4y = -3 -4x - 3y = 4 -4x - 3y = 3 5Find the real solutions, if any, of the equation. Use the quadratic formula. x2 + 8x - 7 = 0 {-4 - , -4 + } {-1 - , -1 + } {4 + } {-4 - 2, -4 + 2} Click here to see answer by solver91311(17077)

 Question 388393: Solve the system of equations and express the answer as an ordered pair of the form (x,y) or write NO SOLUTION if applicable: x + 2y = 5 2x - 2y = 4 Click here to see answer by richard1234(5390)

 Question 388391: Use the substitution method to solve the linear system given. Express the answer as an ordered pair of the form (x,y) x + y = 5 2x + y = 6 Click here to see answer by gotpork1(3)

 Question 388401: Solve the system of equations and express the answer as an ordered pair of the form (x,y) or write NO SOLUTION if applicable: x + y = 1 x + y = 3 Click here to see answer by richard1234(5390)

 Question 388424: Referring to the Figure, find the tangent of angle R. Reduce the answer to the lowest terms. Figure located at this link http://ppstest2.com/images2/AL12012.jpg Click here to see answer by Alan3354(31529)

 Question 388425: Referring to the Figure, find the sine of angle S. Reduce the answer to the lowest terms. Figure located at this link http://ppstest2.com/images2/AL12012.jpg Click here to see answer by Alan3354(31529)

 Question 388423: Referring to the figure, find the cosine of angle R. Reduce the answer to the lowest terms. Figure located at this link http://ppstest2.com/images2/AL12012.jpg Click here to see answer by Alan3354(31529)

 Question 388426: Referring to the Figure, find the cosine of angle S. Reduce the answer to the lowest terms. Figure located at this link http://ppstest2.com/images2/AL12012.jpg Click here to see answer by Alan3354(31529)

 Question 388422: Referring to the figure, find the sine of angle R. Reduce the answer to the lowest terms. Figure located at this link http://ppstest2.com/images2/AL12012.jpg Click here to see answer by Alan3354(31529)

 Question 388421: Referring to the figure, find the tangent of angle S. Reduce the answer to the lowest terms. Figure located at this link :) http://ppstest2.com/images2/AL12011.jpg Click here to see answer by Alan3354(31529)

 Question 388419: Referring to the Fig. Find the sine of angle S. Reduce the answer to the lowest terms. Figure located at this link :) http://ppstest2.com/images2/AL12011.jpg Click here to see answer by Alan3354(31529)

 Question 388420: Referring to the figure, find the cosine of angle S. Reduce the answer to the lowest terms. Figure located at this link :) http://ppstest2.com/images2/AL12011.jpg Click here to see answer by Alan3354(31529)

 Question 388432: Write an equation of the line that is parallel to the given line y = x + 3 and the given point (5,0). Click here to see answer by mananth(12270)

 Question 388436: Write an equation of a line that is perpendicular to y = 2x + 3 and passes through (3,4). Click here to see answer by mananth(12270)

 Question 388437: Write an equation in point-slope form of the line that passes through the points (-3,-4) and (3,4). Click here to see answer by mananth(12270)

 Question 388429: A company had sales of \$500,000 in 1996 and sales of \$720,000 in 1998. Use the midpoint formula to find the company's sales in 1997. Click here to see answer by mananth(12270)

 Question 388433: Write an equation of the line that is parallel to the given line y = 2x + 3 and the given point (-4,1). Click here to see answer by robertb(4012)

 Question 388438: Write an equation in point-slope form of the line that passes through the points (-5,-4) and (7,-5). Click here to see answer by robertb(4012)

 Question 388435: Write an equation in slope-intercept form of the line that passes through the points (-2,-1) and (3,5). Click here to see answer by vleith(2825)

 Question 388428: You and a friend go biking. You bike 12 miles north an2 miles east. What is the straight-line distance from your starting point? Round answer to the nearest hundredths. Click here to see answer by vleith(2825)

 Question 388434: Write an equation in slope-intercept form of the line that passes through the points (-4,2) and (1,-1). Click here to see answer by destinysunshine(1)

 Question 388440: Referring to the figure, write the equation of the horizontal line through the point (0,3). Figure located at this cut & paste link http://ppstest2.com/images2/AL5005.jpg Click here to see answer by Fombitz(13828)

 Question 388431: Referring to the figure, write an equation of the line shown in the graph. Figure located at this link http://ppstest2.com/images2/AL5002.jpg Click here to see answer by Fombitz(13828)

 Question 388445: You pay \$1.50 for two scoops of ice-cream. An extra scoop costs \$.75. You have \$3 to spend and you don't want to spend over that amount. Write an inequality to represent this situation. Click here to see answer by checkley79(3056)

 Question 388390: You are selling tickets for a high school basketball game. Student tickets cost \$3 and general admission tickets cost \$5. You sell 350 tickets and collect \$1,450. How many general admission tickets did you sell? Click here to see answer by checkley79(3056)

 Question 388430: Referring to the figure, write an equation of the line shown in the graph. Picture of figure located at this cut and copy link: http://ppstest2.com/images2/AL5001.jpg Click here to see answer by ewatrrr(10682)

 Question 388409: Referring to the figure, match the system of linear inequalities with its graph. *A -x + y < 2 -x + y ≥ -2 *B -x + y > 2 x + y ≤ -2 *C -x + y > -2 x + y ≤ 2 *D -x + y ≤ 2 x + y < 2 This graph is located at this cut and paste link http://ppstest2.com/images2/AL7004.jpg Click here to see answer by ewatrrr(10682)

 Question 388408: Referring to the figure, match the system of linear inequalities with its graph. *A -x + y < 2 -x + y ≥ -2 *B -x + y > 2 x + y ≤ -2 *C -x + y > -2 x + y ≤ 2 *D -x + y ≤ 2 x + y < 2 The graph of this equation is at this cut and copy link! http://ppstest2.com/images2/AL7003.jpg Click here to see answer by ewatrrr(10682)

 Question 388407: Referring to the figure, match the system of linear inequalities with its graph. *A. -x + y < 2 -x + y ≥ -2 *B. -x + y > 2 x + y ≤ -2 *C -x + y > -2 x + y ≤ 2 *D -x + y ≤ 2 x + y < 2 Graph is located at the cut & copy link: http://ppstest2.com/images2/AL7002.jpg Click here to see answer by ewatrrr(10682)

 Question 388403: Referring to the figure, match the system of linear inequalities with its graph. *A. -x + y < 2 -x + y ≥ -2 *B. -x + y > 2 x + y ≤ -2 *C -x + y > -2 x + y ≤ 2 *D -x + y ≤ 2 x + y < 2 Figure is located at this cut and copy link: http://ppstest2.com/images2/AL7001.jpg Click here to see answer by ewatrrr(10682)

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