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

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Question 397702: slope= 1/5 (2,-6)
Click here to see answer by Alan3354(69443) About Me 
Question 397702: slope= 1/5 (2,-6)
Click here to see answer by stanbon(75887) About Me 
Question 397729: can you graph y=+2+x
Click here to see answer by richard1234(7193) About Me 
Question 397828: write the equation of the line that contains the indicated pair of points. Express the final equation in standard form. (2,5),(8,12)
Click here to see answer by stanbon(75887) About Me 
Question 397826: find x if the line through (1,0)and (x,1) has a slope of 1/2.
Click here to see answer by ewatrrr(24785) About Me 
Question 397789: A. Solve 4x%5E2=20
-What are the solutions?
x=____
B. Find the x-intercepts of f%28x%29=4x%5E2-20
-What are the x-intercepts?
The x-intercepts are ____.
Click here to see answer by ankor@dixie-net.com(22740) About Me 
Question 397535: find the value of a that makes the ordered pair a solution of the equation.

y=3x+7; (-3,a)
2x+4y=14; (-5,a)
y=11-7x; (a,-10)
9x-5y=-9; (a-1,9)
Click here to see answer by ewatrrr(24785) About Me 
Question 397931: Find the intervals where the graph of the function f(x)=x^2-4 is above the x-axis.
Click here to see answer by stanbon(75887) About Me 
Question 397996: Sarah’s two student loans totaled
$12,000. One of her loans was at 6% simple interest
and the other at 9%. After one year, Sarah owed $855
in interest. What was the amount of each loan?
I got x+y=12,00 but what is the next step????
Click here to see answer by josmiceli(19441) About Me 
Question 397996: Sarah’s two student loans totaled
$12,000. One of her loans was at 6% simple interest
and the other at 9%. After one year, Sarah owed $855
in interest. What was the amount of each loan?
I got x+y=12,00 but what is the next step????
Click here to see answer by popoff602(1) About Me 
Question 398008: can you show me step by step cleary??
7x-2(3+4x)=19
Click here to see answer by richard1234(7193) About Me 
Question 397908: the graphs of the following systems are given in (a) through (d). Match each system with the correct graph.
4x+5y=-2
4y-x=11
Click here to see answer by Alan3354(69443) About Me 
Question 398036: graph and check to solve the linear system. 3x+y=5 -x+y=-7
Click here to see answer by mananth(16946) About Me 
Question 398203: suppope an equation of the ellipse. How to put the equation in standard form and sketch the ellipse
Click here to see answer by Alan3354(69443) About Me 
Question 398205: Sorry i just forgot to post the equation. Put the given equation of the ellipse in standard form.
9x^2+36y^2=324
Click here to see answer by robertb(5830) About Me 
Question 398149: find the area of a rectangle if three of its corners are (-0.1, -3.4), (-7.9, -3.4, and (-0.1, 6.8)
Click here to see answer by robertb(5830) About Me 
Question 398418: How do u find order triple solution from these; 5x-y+z=24
4x+2y-3z=3
x-3y+2z=11
Click here to see answer by Alan3354(69443) About Me 
Question 398418: How do u find order triple solution from these; 5x-y+z=24
4x+2y-3z=3
x-3y+2z=11
Click here to see answer by ewatrrr(24785) About Me 
Question 398545: how to graph 8x-10y=7
4x-5y=7
Click here to see answer by checkley79(3341) About Me 
Question 398540: (1,4),(7,-1)
Click here to see answer by checkley79(3341) About Me 
Question 398678: how do you solve this problem y^3=8-x
Click here to see answer by jim_thompson5910(35256) About Me 
Question 398738: Hi my name is Liz and I need help to solve this: y=5X-2 I need to solve for X first than for Y, so I can plot at least 3 points on my graph. Thank you
Click here to see answer by stanbon(75887) About Me 
Question 398738: Hi my name is Liz and I need help to solve this: y=5X-2 I need to solve for X first than for Y, so I can plot at least 3 points on my graph. Thank you
Click here to see answer by mananth(16946) About Me 
Question 398744: How do you write an inequality of line AB that has point (4,8) and (-10,1) in standard form with integers?
Click here to see answer by stanbon(75887) About Me 
Question 398719: how would you graph
y=6/5x+8
Click here to see answer by Alan3354(69443) About Me 
Question 398719: how would you graph
y=6/5x+8
Click here to see answer by mananth(16946) About Me 
Question 398912: write equations for the vertical and horizontal lines passing through the point (-9,3)
vertical line:
horizontal line:
help!
Click here to see answer by lwsshak3(11628) About Me 
Question 399059: Find the slope of the line graphed below.
Points are (-4,-1) and (4,3)
Is the slope 4/8 ?
Click here to see answer by MathLover1(20849) About Me 
Question 399107: Find the slope if it exists
y=-3x+7
Click here to see answer by MathLover1(20849) About Me 
Question 399182: write the equation of the line passing through (1,-2),(5,-2), and (10,-2)
Click here to see answer by robertb(5830) About Me 
Question 399182: write the equation of the line passing through (1,-2),(5,-2), and (10,-2)
Click here to see answer by solver91311(24713) About Me 
Question 399220: What is the y-intercept of y equals -2x
Click here to see answer by robertb(5830) About Me 
Question 399220: What is the y-intercept of y equals -2x
Click here to see answer by stanbon(75887) About Me 
Question 399220: What is the y-intercept of y equals -2x
Click here to see answer by MathLover1(20849) About Me 
Question 399201: Can you help me workout this problem
6-3n<15
Click here to see answer by robertb(5830) About Me 
Question 399204: Please help me write the standard equation for a line with a x intercept of 3 and a y intercept of 5
Click here to see answer by robertb(5830) About Me 
Question 399250: Determining an Equation of a line; Functions defined by tables and graphs. Write an equation in standard form of the line that has given slope and passes through the given point.
m=- 3/2 : (4, 2)
It has been 20 years since I have done Algebra and my son wants me to correct his work. I have no book to reference for example questions to refresh my memory. (he forgot it.) Any assistance you can provide to get me going in the right direction would be greatly appreciated!! :-) Thank you.
Click here to see answer by ankor@dixie-net.com(22740) About Me 
Question 399320: How do i solve this
y(y+2)=(y+1)^2-1
Click here to see answer by robertb(5830) About Me 
Question 399371: x-y=4
x+y=-3
Click here to see answer by stanbon(75887) About Me 
Question 399387: 1. What is the equation of a line that passes through points (-1, 2) and (5, 2)?
y - 2 = 0
x - 2 = 0
y - x - 2 = 0
2. What is the equation of a line with a slope of -2 and a y-intercept of 8?
x + 2y - 8 = 0
2x + y - 8 = 0
2x - y + 8 = 0
3. What is the slope of a line parallel to the line whose equation is y - x = 5?
-1
1
5
4. What is the equation of the line that passes through the point (1, 1) and has a y-intercept of 2.
x - y + 2 = 0
x + y - 2 = 0
x - y - 2 = 0
5. The slope of a line is 1/3 . What is the slope of a line perpendicular to this line?
-3
-1/3
1/3
3
6. What is the slope of a line perpendicular to the line whose equation is y = 2x + 5?
slope = -1
slope = -1/2
slope = -2
7. What is the equation of a line with a point (-3, 0) and no slope?
x + 3 = 0
y + 3 = 0
x - 3 = 0
y - 3 = 0
8. What is the equation of a line that passes through point (1, -2) and has a slope of 1/3 .
3x - y - 7 = 0
x - 3y + 7 = 0
x - 3y - 7 = 0
9. What is the equation of the line whose y-intercept is 3 and slope is 1?
y = x - 3
y = x + 3
y = 3x + 1
Click here to see answer by ewatrrr(24785) About Me 
Question 399387: 1. What is the equation of a line that passes through points (-1, 2) and (5, 2)?
y - 2 = 0
x - 2 = 0
y - x - 2 = 0
2. What is the equation of a line with a slope of -2 and a y-intercept of 8?
x + 2y - 8 = 0
2x + y - 8 = 0
2x - y + 8 = 0
3. What is the slope of a line parallel to the line whose equation is y - x = 5?
-1
1
5
4. What is the equation of the line that passes through the point (1, 1) and has a y-intercept of 2.
x - y + 2 = 0
x + y - 2 = 0
x - y - 2 = 0
5. The slope of a line is 1/3 . What is the slope of a line perpendicular to this line?
-3
-1/3
1/3
3
6. What is the slope of a line perpendicular to the line whose equation is y = 2x + 5?
slope = -1
slope = -1/2
slope = -2
7. What is the equation of a line with a point (-3, 0) and no slope?
x + 3 = 0
y + 3 = 0
x - 3 = 0
y - 3 = 0
8. What is the equation of a line that passes through point (1, -2) and has a slope of 1/3 .
3x - y - 7 = 0
x - 3y + 7 = 0
x - 3y - 7 = 0
9. What is the equation of the line whose y-intercept is 3 and slope is 1?
y = x - 3
y = x + 3
y = 3x + 1
Click here to see answer by MathLover1(20849) About Me 
Question 399473: 2 over y-5 = 3 over y+6
Click here to see answer by ewatrrr(24785) About Me 
Question 399478: -3 over 8 = 6 over x
Click here to see answer by ewatrrr(24785) About Me 
Question 399535: Solve the compound inequality Please.
I have been trying and I can not seem to figure out how to set the problem up to solve it.



(2x-1)/(4)<=-4 or (2x-1)/(4)>=9
Click here to see answer by Alan3354(69443) About Me 
Question 399477: x over 2 = negative 1 over 5
Click here to see answer by ewatrrr(24785) About Me 
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, 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, 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