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

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Question 1048295: if f(x^2 +1)=x^4+5x^2+3. what is f(x^2 -1)
Click here to see answer by ikleyn(52778)

Question 1048367: Find the equation of a line that passes through the point (1,7) and is perpendicular to a line that passess through the points (-1,4) and (1,-2). Write the equation in slope- intercept form
Click here to see answer by solver91311(24713)

Question 1048349: why does 3x+y=10
9x+3y=13 not have a solution
Click here to see answer by ikleyn(52778)

Question 1048351: The system x+2y=4
7x+14y=28 has infinitely many solutions. State the general solution.
Click here to see answer by josgarithmetic(39617)

Question 1048404: 5x+12y=9300. Find the x and y intercept?
Click here to see answer by Alan3354(69443)

Question 1048516: The diagram shows the plan of a theater. The semicircle represents the stage and the square section holds the seating. Find the area of the theatre, given that the seating section has an area of 110.25 m�
Click here to see answer by Alan3354(69443)

Question 1048733: 2 is less than or equal to 3x-10 is less than or equal to 8
Click here to see answer by Alan3354(69443)

Question 1048746: 1. g(x)=5|x-3|
2. g(x)=-4|x+2|+5
3. g(x)=7/5|(x-6)|+4
Click here to see answer by solver91311(24713)

Question 1048804: Please help me solve this equation
Solve the inequality.
(x - 5)(x^2 + x + 1) > 0
Click here to see answer by stanbon(75887)

Question 1048804: Please help me solve this equation
Solve the inequality.
(x - 5)(x^2 + x + 1) > 0
Click here to see answer by Theo(13342)

Question 1048811: Please help me solve this equation
Find the power function that the graph of f resembles for large values of |x|.
f(x) = -x^2(x + 4)^3(x^2 - 1)
Click here to see answer by richard1234(7193)

Question 1048949: x=y+2
2x+y=1
Click here to see answer by ikleyn(52778)

Question 1049049: 2/3x+6
Click here to see answer by hussamuddin(51)

Question 1049501: Find the coordinates of the vertices of the figure formed by the system of inequalities
x + y ≤ 2
x - 2y ≤ 8
x + (-1/3)y ≥ -2/3

Click here to see answer by stanbon(75887)

Question 1049637: I need help with graphing linear equations. I need to complete the function table ( x y chart) and graph the line for each equation. I need to use a t-chart and I have to show what the 2 points are that I am graphing. (eg. -5,-9)
equation: y=5/2x-5
x=-1
x=0
x=4
x=6
please show all work. thank you in advance for your help.
Click here to see answer by advanced_Learner(501)

Question 1049499: Classy Catering needs at least 15 food servers and 5 bussers to cater a large party. But in order to make profit, they can have no more than 34 food servers and 7 bussers working at an event. Write and graph a system of inequalities that represents this information.
Click here to see answer by josmiceli(19441)

Question 1049701: What must be the value of b so that the graph of has a range of {y|y>=3}
Click here to see answer by josgarithmetic(39617)

Question 1049932: (2,-7);8x-9y=2
the equation of the line is y=
Click here to see answer by Fombitz(32388)

Question 1049932: (2,-7);8x-9y=2
the equation of the line is y=
Click here to see answer by Alan3354(69443)

Question 1049948: negative 1 is greater than or equal to x is greater than 9

Click here to see answer by ewatrrr(24785)

Question 1049948: negative 1 is greater than or equal to x is greater than 9

Click here to see answer by ikleyn(52778)

Question 1049988: The length of a rectangular garden is 7 feet longer than its width. The garden's perimeter is 198 feet. Find the width of the garden.
Click here to see answer by advanced_Learner(501)

Question 1050046: A rectangular room is three times as long as it is wide, and its perimeter is 48 meters. Find the width of the room.
Click here to see answer by satyareddy22(84)

Question 1050068: The length of a rectangular garden is 9 feet longer than its width. The garden's perimeter is 190 feet. Find the length of the garden.
Click here to see answer by ewatrrr(24785)

Question 1050067: A rectangular room is three times as long as it is wide, and its perimeter is 80 meters. Find the length of the room.
Click here to see answer by ewatrrr(24785)

Question 1050083: Driveway pavers are 8 inches by 10 inches. If your driveway is 26720 square inches, how many pavers do you need for your driveway?
Click here to see answer by ewatrrr(24785)

Question 1050047: Driveway pavers are 8 inches by 10 inches. If your driveway is 26720 square inches, how many pavers do you need for your driveway ?
Click here to see answer by josmiceli(19441)

Question 1050033: Which graph best displays the best fit for the data points?
Link to graph with graph solutions:
http://s14.postimg.org/6x1zish75/graphs.png
Thanks you.
Click here to see answer by josgarithmetic(39617)

Question 1050140: What are coordinate pairs that are on the graph of 9x+3y=6

Click here to see answer by advanced_Learner(501)

Question 1050165: r=2; (h,K)=(0,2) graph circle
Click here to see answer by Alan3354(69443)

Question 1050193: hello, could you be so kind to help me solve these two problems explaining the steps since i do not know how to solve them please!
1. A train ticket in a certain city is $3.00. People who use the train also have the option of purchasing a frequent rider pass for $15.00 each month. With the pass, each ticket costs only $2.25. Determine the number of times in a month the train must be used so that the total monthly cost without the pass is the same as the total monthly cost with the pass.

2. After a 17% price reduction, a boat sold for $20,750. what was the boat's price before the reduction> (round to the nearest cent, if necessary)
Click here to see answer by advanced_Learner(501)

Question 1050300: Draw the graphs of 3x+7=0 and 2y-3=0. Do these lines intersect? What relationship do you observe between these lines?

Click here to see answer by stanbon(75887)

Question 1050480: 3+d<3−d
solve for d
Click here to see answer by Fombitz(32388)

Question 1050500: Please help me graph the equation y=-3/8x+8
Click here to see answer by Alan3354(69443)

Question 1050500: Please help me graph the equation y=-3/8x+8
Click here to see answer by Boreal(15235)

Question 1050581: A line with a slope of -2 passes through the point (3.-1). which of the following is the equation of the line?

Click here to see answer by josmiceli(19441)

Question 1050561: By the regression feature of a graphing utility, identify the least squares regression line for the data points shown in the image below.
https://s13.postimg.org/szphbjozb/A_GRAPH.png
A.)
B.)
C.)
D.)
Click here to see answer by MathLover1(20849)

Question 1050622: Symbolize as a system and solve using algebra: a theater sells 1500 tickets. The regular tickets cost 32 but discount tickets are 24 the theater has $45000 in revenue how much of each ticket type are sold
Click here to see answer by josgarithmetic(39617)

Question 1050575: Plot the x and the y intercepts of the line having the given equation, then draw the line through the intercepts and label with its equation.
2x+3y=-6
Click here to see answer by josgarithmetic(39617)

Question 1050673: please graph x^2+y^2=16
Click here to see answer by ewatrrr(24785)

Question 1050673: please graph x^2+y^2=16
Click here to see answer by rothauserc(4718)

Question 1050673: please graph x^2+y^2=16
Click here to see answer by Fombitz(32388)

Question 1050454: Y = x

Click here to see answer by Fombitz(32388)

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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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