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

Tutors Answer Your Questions about Graphs (FREE)

Question 112171: Graph:
y=4/5x-7
Click here to see answer by jim_thompson5910(35256)

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(35256)

Question 112321: Graph f(x) = 3x + 2
Click here to see answer by jim_thompson5910(35256)

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

Click here to see answer by jim_thompson5910(35256)

Question 112323: Graph the inequalities
x � y > 2

y >= 3x
Click here to see answer by jim_thompson5910(35256)

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(35256)

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(22740)

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(32388)

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(24713)

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(22740)

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(35256)

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(35256)

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(19441)

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(22740)

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(75887)

Question 113140: -2/3z > or equal to 6
Click here to see answer by stanbon(75887)

Question 113133: Solve.
The U.S population in 1990 was approximately 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The above formula for the United States then becomes (p(in millions) = 250 X 2 to the power of (y-1990)/66
What will the population of the United States be in 2025 if this growth rate continues?
Click here to see answer by stanbon(75887)

Question 113301: Solve the system by substitution. Show all work!
2x � 2y = 2
y = 3x � 17

Click here to see answer by SHUgrad05(58)

Question 113302: The sum of two numbers is 39. Their difference is 7. What are the two numbers? Show both equations and your method for solving as well as the solution.

Click here to see answer by ptaylor(2198)

Question 113306: Solve the system by graphing.
2x + y = 4
x + y = 3

Click here to see answer by MathLover1(20849)

Question 113307: Solve the system by graphing.
x � 2y = 8
x + y = �1

Click here to see answer by MathLover1(20849)

Question 113307: Solve the system by graphing.
x � 2y = 8
x + y = �1

Click here to see answer by solver91311(24713)

Question 113305: Solve the system by graphing.
x + 2y = 4
x + 2y = �2

Click here to see answer by MathLover1(20849)

Question 113304: Solve the system by graphing.
x � y = 2
3x � 3y = 6

Click here to see answer by MathLover1(20849)

Question 113297: A small company produces both bouquets and wreaths of dried flowers. The bouquets take 1 hour of labor to produce, and the wreaths take 2 hours. The labor available is limited to 80 hours per week, and the total production capacity is 60 items per week. Write a system of inequalities representing this situation, where x is the number of bouquets and y is the number of wreaths. Then graph the system of inequalities.
Note: There are 4 inequalities to be graphed!

Click here to see answer by stanbon(75887)

Question 113303: Solve the system by addition. Show all work!
5x � 6y = �6
x � 4y = �4

Click here to see answer by MathLover1(20849)

Question 113300: Solve the system by substitution.
3x � y = �7
x + y = �9

Click here to see answer by MathLover1(20849)

Question 113356: I need to graph this linear equation but I do not understand it. Can you help me? It is 6x+7=-14y
Click here to see answer by checkley71(8403)

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, 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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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, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 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