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

Tutors Answer Your Questions about Graphs (FREE)

Question 112041: Write the equation of the line passing through (–3, –5) and (3, 0).
Click here to see answer by jim_thompson5910(28493)

Question 112043: The difference of two numbers is 86. The second is 6 less than 5 times the first. What are the two numbers?
Click here to see answer by jim_thompson5910(28493)

Question 112043: The difference of two numbers is 86. The second is 6 less than 5 times the first. What are the two numbers?
Click here to see answer by BrittanyM(80)

Question 112045: Graph the inequality.
2x + 3y > 6

Click here to see answer by jim_thompson5910(28493)

Question 111960: Please help :)
Find the equation for the line passing through the origin and perpendicular to y=1/2x-2
Thanks
Click here to see answer by BrittanyM(80)

Question 112042: Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.
Click here to see answer by BrittanyM(80)

Question 112048: The sum of two numbers is 93. The second is 3 more than 4 times the first. What are the two numbers?
Click here to see answer by BrittanyM(80)

Question 112052: Rewrite the equation 4x – 10y = 11 as a function of x.
Click here to see answer by checkley71(8403)

Question 112051: The sum of two numbers is 33. Their difference is 7. What are the two numbers?
Click here to see answer by checkley71(8403)

Question 111972: A coffee merchant has coffee beans that sell for $9 per
pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture that will sell for $11.25 per pound. How much of each type of bean should be used in the mixture?
Click here to see answer by checkley71(8403)

Question 111954: Question is not from the text.
Could you please tell me how to set up the following problem?
How many ounces of pure gold must be added to five ounces of something that is 1% gold in order that the mixture is 6% gold?
Thanks!
Click here to see answer by ankor@dixie-net.com(15628)

Question 111953: Question is not from the text.
Could you please tell me how to set up the following problem?
How many ounces of pure gold must be added to five ounces of something that is 1% gold in order that the mixture is 6% gold?
Thanks!
Click here to see answer by ptaylor(2048)

Question 112165: A home-based company produces both hand-knitted scarves and sweaters. The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. Write a system of inequalities representing this situation, where x is the number of scarves and y is the number of sweaters. Then graph the system of inequalities
Click here to see answer by ankor@dixie-net.com(15628)

Question 112171: Graph:
y=4/5x-7
Click here to see answer by jim_thompson5910(28493)

Question 112192: What values for x must be excluded in the following fraction? x-3/(4x-5)(x+1)
Click here to see answer by jim_thompson5910(28493)

Question 112321: Graph f(x) = 3x + 2
Click here to see answer by jim_thompson5910(28493)

Question 112310: Solve the system by graphing.
x – y = 5
x + y = 3

Click here to see answer by jim_thompson5910(28493)

Question 112323: Graph the inequalities
x – y > 2

y >= 3x
Click here to see answer by jim_thompson5910(28493)

Question 112316: Solve the following system of linear inequalities by graphing.
x – 3y > 6
3x + 2y > 12

Click here to see answer by jim_thompson5910(28493)

Question 112325: aline passing through (7,17,)and(5,y)is parrell to a line with the slope 6. What is tje value of y
Click here to see answer by checkley71(8403)

Question 112314: A small company produces both standard and deluxe playhouses. The standard playhouses take 12 hours of labor to produce, and the deluxe playhouses take 20 hours. The labor available is limited to 800 hours per week, and the total production capacity is 50 items per week. Existing orders require the company to produce at least 10 standard playhouses and 15 deluxe playhouses per week. Write a system of inequalities representing this situation, where x is the number of standard playhouses and y is the number of deluxe playhouses. Then graph the system of inequalities.
Click here to see answer by ankor@dixie-net.com(15628)

Question 112253: Graph f(x) = 3x + 2.
Click here to see answer by checkley71(8403)

Question 112380: the linear equation y=5 graphs as a horizontal/vertical/diagonal line (choose the correct label and type it below).
Click here to see answer by bucky(2189)

Question 112382: the linear equation y=5 graphs as horizontal/vertical/diagonal line (choose the correct label and type it below
Click here to see answer by checkley71(8403)

Question 112353: How far is the point (5,3) from the line y = 4x+1?
Hint: the point must lie on a line perpendicular to the given line.
Use the distance formula for two points in a plane.
Click here to see answer by Fombitz(13828)

Question 112441: is the ordered pair a solution of the inequality x+y> 3;(1,3)
Click here to see answer by SHUgrad05(58)

Question 112470: What do you do to the equation y=x to make its graph steeper?
What do you do to make the graph for y=x flatter?

Click here to see answer by bucky(2189)

Question 112533: im not sure if this is the topic for it but how do you find or do standard form with integer coefficients?
what are coefficients? how do you find them?
example......
-4y + 6x + 7 = 0
y= -11x -4

Click here to see answer by solver91311(16868)

Question 112554: can you help me solve and graph so far i tried y intercept=C/B and i got -6/ 2/3 and x intercept=C/A and i got -6/ 1/2. did i do it right? how do you get rid of the fractions? is there an easier way to solve and graph this problem?
Click here to see answer by checkley71(8403)

Question 112713: Geometry. The length of a rectangle is 2 in. more than twice its width. If the
perimeter of the rectangle is 34 in., find the dimensions of the rectangle.
Click here to see answer by SHUgrad05(58)

Question 112712: Social science. In a town election, the winning candidate had 220 more votes
than the loser. If 810 votes were cast in all, how many votes did each candidate receive?
Click here to see answer by SHUgrad05(58)

Question 112711: Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y=-5x + 3
Click here to see answer by SHUgrad05(58)

Question 112766: Find the slope of any line parallel to the line through points (7, 9) and (9, 8).
Click here to see answer by SHUgrad05(58)

Question 112753: Graph y = –2x + 1
Click here to see answer by checkley71(8403)

Question 112715: A small firm produces both AM and AM/FM car radios. The AM radios take 15 h
to produce, and the AM/FM radios take 20 h. The number of production hours is
limited to 300 h per week. The plant’s capacity is limited to a total of 18 radios perweek, and existing orders require that at least 4 AM radios and at least 3 AM/FM radios be produced per week. Write a system of inequalities representing this situation. Then, draw a graph of the feasible region given these conditions, in which x is the number of AM radios and y the number of AM/FM radios.
Click here to see answer by ankor@dixie-net.com(15628)

Question 112917: Write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line.
Click here to see answer by checkley71(8403)

Question 112885: graph each of the following inequalities on the cartesian plane
2x + y <_ -5
How do I know what number to plug in? Can I used any set of numbers? Do I have to make the statement true then graph it?
Click here to see answer by jim_thompson5910(28493)

Question 112937: A line goes through the coordinate (3,4) and through (5,1). Find a line of the form y=ax+b.
Click here to see answer by jim_thompson5910(28493)

Question 112937: A line goes through the coordinate (3,4) and through (5,1). Find a line of the form y=ax+b.
Click here to see answer by chitra(359)

Question 113037: my teacher gave us a problem, y=7/4x - 1/8 and said the answer was -14x + 8y= -1. how?
Click here to see answer by SHUgrad05(58)

Question 113037: my teacher gave us a problem, y=7/4x - 1/8 and said the answer was -14x + 8y= -1. how?
Click here to see answer by josmiceli(9654)

Question 113058: Can you please show me step by step how to solve this problem. The directions are: Find the slope of the line determined by each equation.
#33) 3x + 2y = 12
#37) y = x-4/ 2
Thank you
Patti
Click here to see answer by SHUgrad05(58)

Question 112877: graph each of the following inequalities on the cartesian plane
2x + y <_ -5
How do I know what number to plug in? Can I used any set of numbers? Do I have to make the statement true then graph it?
Click here to see answer by ankor@dixie-net.com(15628)

Question 113070: which ordered pair is not a solution to the inequality 3x+2y less then 12?
A. (-1,6) B.(3,0) C.(2,2) D.(-2,10)
PLEASE HELP ME WITH THIS PROBLEM

Click here to see answer by checkley71(8403)

Question 113137: -6y < 24
Click here to see answer by stanbon(57228)

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