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

Tutors Answer Your Questions about Graphs (FREE)

Question 1208103: Graph the inequality.
−2x+5y<25

Click here to see answer by josgarithmetic(39617)

Question 1208109: Graph y = |x|. Then on the same xy-plane graph y = 2|x|, followed by y = 4|x|, followed by y = (1/2)|x|. What pattern do you observe? Can you predict the graph of y = (1/4)|x| How about y = 5|x|?
Click here to see answer by math_tutor2020(3816)

Question 1208124: Suppose that the graph of a function f is known.Explain how the graph of
y = f(x) + 2 differs from the graph of y = f(x + 2).

Click here to see answer by ikleyn(52780)

Question 1208124: Suppose that the graph of a function f is known.Explain how the graph of
y = f(x) + 2 differs from the graph of y = f(x + 2).

Click here to see answer by math_tutor2020(3816)

Question 1208125: Suppose that the graph of a function f is known.Explain how the graph of
y = f(x) + 2x differs from the graph of y = f(2x + 2).

Click here to see answer by ikleyn(52780)

Question 1208123: Suppose that the graph of a function f is known.Explain how the graph of
y = 4•f(x) differs from the graph of y = (1/4)f(x).

Click here to see answer by ikleyn(52780)

Question 1208212: If 19100 dollars is invested at an interest rate of 6 percent per year, find the
value of the investment at the end of 5 years for the following compounding methods, to the nearest cent.
(a) Annual: $

(b) Semiannual: $

(c) Monthly: $

(d) Daily: $

Click here to see answer by ikleyn(52780)

Question 1208327: What is the equation of the line that passes through the point (4,1) and has a slope of 1/2

Click here to see answer by ikleyn(52780)

Question 1208328: What is the equation of the line that passes through the point (4,1) and has a slope of 1/2

Click here to see answer by MathLover1(20849)

Question 1208328: What is the equation of the line that passes through the point (4,1) and has a slope of 1/2

Click here to see answer by timofer(104)

Question 1208381: 3x - 8 = y - 4 solving for y

Click here to see answer by ikleyn(52780)

Question 1208410: y=15+35.5x and y=60+28.5x
Click here to see answer by ikleyn(52780)

Question 1208845: What is the graph of the equation 8x+y=4
Click here to see answer by math_tutor2020(3816)

Question 1208845: What is the graph of the equation 8x+y=4
Click here to see answer by josgarithmetic(39617)

Question 1208846: Use the graph of the function f shown to the right to find f left parenthesis negative 2 right parenthesis commaf(−2), f(−1), and f(0).
Click here to see answer by Edwin McCravy(20055)

Question 1208854: Solve the equation 28 x cubed plus 88 x squared minus 37 x minus 7 equals 0 given that negative seven halves
is a zero of f left parenthesis x right parenthesis equals 28 x cubed plus 88 x squared minus 37 x minus 7.
Click here to see answer by greenestamps(13200)

Question 1208857: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

0 < [(3x + 2)/2] < 4

Click here to see answer by ikleyn(52780)

Question 1208860: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

(2x - 1)^(-1) > 0

Click here to see answer by ikleyn(52780)

Question 1208860: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

(2x - 1)^(-1) > 0

Click here to see answer by math_tutor2020(3816)

Question 1208858: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

0 < [1 - (x/3)] < 1

Click here to see answer by timofer(104)

Question 1208858: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

0 < [1 - (x/3)] < 1

Click here to see answer by greenestamps(13200)

Question 1208858: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

0 < [1 - (x/3)] < 1

Click here to see answer by math_tutor2020(3816)

Question 1208858: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

0 < [1 - (x/3)] < 1

Click here to see answer by Edwin McCravy(20055)

Question 1208859: Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

(1/3) < [(x + 1)/2] <= (2/3)

Click here to see answer by math_tutor2020(3816)

Question 1208861:
Solve the inequality. Express your answer using set notation and interval notation. Graph the solution set.

0 < (3x + 6)^(-1) < (1/3)

Click here to see answer by josgarithmetic(39617)

Question 1208863: what is the slope and y-intercept of y=-5x+6

Click here to see answer by Edwin McCravy(20055)

Question 1209155: find the X intercept of x+5y=5
Click here to see answer by josgarithmetic(39617)

Question 1209203: Which of the following are solutions to the inequality below? Select all that apply.
-50<6x+6<-8
x=-7
x=-6
x=-8
x=-1

Click here to see answer by math_tutor2020(3816)

Question 1209225: Megan opens her math book to a random page. The page numbers she can see multiply to 756. Find the sum of these numbers.
Click here to see answer by math_tutor2020(3816)

Question 1209225: Megan opens her math book to a random page. The page numbers she can see multiply to 756. Find the sum of these numbers.
Click here to see answer by ikleyn(52780)

Question 1209225: Megan opens her math book to a random page. The page numbers she can see multiply to 756. Find the sum of these numbers.
Click here to see answer by greenestamps(13200)

Question 1207554: Using Desmos calculator design a roller coaster.
• use only quadratic functions
• create one full loop
• start and end your roller coaster slightly a above the ground level (x-axes will
indicate the ground level)
• make at least one "function" below the ground level
Click here to see answer by CPhill(1959)

Question 1200875: How do I write a demand and a supply curve expressed in the form of an exponential and
logarithmic functions respectively?
Then how would I Demonstrate graphically or otherwise, so that the
functions reflect all the characteristics of a demand and supply curve?
Click here to see answer by asinus(45)

Question 1200811: Write a demand and a supply curve expressed in the form of an exponential and
logarithmic functions respectively. Demonstrate graphically or otherwise, that the
functions reflect all the characteristics of a demand and supply curve.
Click here to see answer by asinus(45)

Question 1200876: Good Afternoon, I have a question that requires two answers and I'm just wondering if someone could assist me, even if it's just helping with one.
QUESTION: Write a demand and a supply curve expressed in the form of an exponential and
logarithmic functions respectively.
Demonstrate graphically or otherwise, that the
functions reflect all the characteristics of a demand and supply curve
Click here to see answer by asinus(45)

Question 1195392: Sketch the graph of a single function that has all of the properties listed.
a. Continuous and differentiable for all real numbers
b. f'(x)<0 on (-∞,-4) and(0,5)
c. f'(x)>0 on (-4,0) and (5,∞)
d. f''(x)>0 on (-∞,-1) and (2,∞)
e. f''(x)<0 on (-1,2)
f. f'(-4)=f'(5)=0
g.f''(x)=0 at (-1,11) and (2,10)
any help will be so appreciative this is the only question left on my homework that is stumping me
thank you so much in advance!
Click here to see answer by ElectricPavlov(122)

Question 1209334: What are the coordinates of the points where the graphs of f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect?
Give your answer as a list of points separated by commas, with the points ordered such that their $x$-coordinates are in increasing order. (So "(1,-3), (2,3), (5,-7)" - without the quotes - is a valid answer format.)
Click here to see answer by math_tutor2020(3816)

Question 1209344: Find the domain and range of the function f(x) = 2(2 - 3x).
Click here to see answer by ikleyn(52780)

Question 1209403: solve the following systems of linear equation by graphing
1. x=y=6
xy=6
2.y=3x=5
x+y=9
3. y=8-3x
6x+2y=18
4. 2x+4y=12
6x+12y=36

Click here to see answer by ikleyn(52780)

Question 1209415: 2x + 3y = -6

Click here to see answer by timofer(104)

Question 1209415: 2x + 3y = -6

Click here to see answer by math_tutor2020(3816)

Question 1209425: The equation of a curve is 3 4 2
y x x= + − .
i Show that the equation of the normal to the curve at the point (3, 6) is 2 9y x= + . [4]
ii Given that the normal meets the coordinate axes at points A and B, find the coordinates of the
mid-point of AB. [2]
iii Find the coordinates of the point at which the normal meets the curve again.

Click here to see answer by ikleyn(52780)

Question 1209428: Graph y=0.5x-3 if x is -3
Click here to see answer by josgarithmetic(39617)

Question 1209510: -3x + 2y = 8

Click here to see answer by ikleyn(52780)

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, 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