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

Tutors Answer Your Questions about Graphs (FREE)

Question 426555: Find the equation of a line that passes through the point (1,2) and has a slope of 1/3. Show how you found the equation.
My book doesn't show how to solve with a fraction involved....
This is my attempt at the equation. y=1/3x+2 is this correct?
Click here to see answer by algebrahouse.com(1079)

Question 426621: Could someone please show me how to do these problems step by step so I can learn?
1. solve then graph x+8>2 the graph is like this is a straight line
2. graph the equation and identify the y intercept x=1/2x
Click here to see answer by Gogonati(809)

Question 426637: Find the slope and y-intercept of the line in the given equation y=9/10x-1
Click here to see answer by ewatrrr(10682)

Question 426638: Write the slope-intercept equation for the line with slope 4/5 and y-intercept (0, -1) and graph the line
Click here to see answer by ewatrrr(10682)

Question 426638: Write the slope-intercept equation for the line with slope 4/5 and y-intercept (0, -1) and graph the line
Click here to see answer by Alan3354(30993)

Question 426972: Find the slope and y-intercept of 5x-2y=3.
-2y=-5x+3
y=(-5x=3)/-2
y=5/2x-3/2
The slope is 5/2 and the y-intercept is -3/2.
Did I do this problem correctly? Is this the right answer?
Thanks alot for your help in advance. :)
Elaine
Click here to see answer by mananth(12270)

Question 426978: Write the slope-intercept equation for the line with slope 1/3 and y-intercept (0, -6) and graph the line. Please show all of your work.
Click here to see answer by mananth(12270)

Question 426982: Write the slope-intercept equation for the line that passes through (-7, 6) and is perpendicular to -7x + 9y = -2 Please show all of your work.
Click here to see answer by mananth(12270)

Question 426981: Write the slope-intercept equation for the line that passes through (10, -4) and has slope -3/10. Please show all of your work.
Click here to see answer by mananth(12270)

Question 426995: Could someone please show me how to find the sloe if it exists and what m =?
1.y=7x +9
2.x+8y=16
Click here to see answer by stanbon(57347)

Question 427010: Could someone please show me how to graph the equation and identify the y intercept?
1. x=1/2x
2. 5x-15=3y
Click here to see answer by stanbon(57347)

Question 427014: Could someone show me how to write an equation from a graph when the line is vertical and in quad. 1,3 and intercepts x on -3
Click here to see answer by stanbon(57347)

Question 427101: If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find all three integers.
Click here to see answer by ewatrrr(10682)

Question 427124: Graph the conic:
(x-2)^2 over 36 + (y+4)^2 over 25 = 1
Click here to see answer by ewatrrr(10682)

Question 427135: Graph the conic:
(x-4)^2 + (y+1)^2 = 4
Click here to see answer by ewatrrr(10682)

Question 427133: Graph the conic:
(x-1)^2 over 9 - (y+2)^2 over 16 = 1
Click here to see answer by Alan3354(30993)

Question 427119: find the slope of the line on a graph (8,6)(4,-3)
Click here to see answer by rfer(12660)

Question 427217: at a baseball game, the ratio of barons fans to blue sox fans is 8:3. If you know that 22,000 people are attending the game, how many buue sox fans are there?
Click here to see answer by rfer(12660)

Question 427226: FIND THE SLOPE OF Y=-5
Click here to see answer by algebrahouse.com(1079)

Question 427246: Write an equation of the line containing the specified point and perpendicular to the indicated line.
(4,-2) x=1
Click here to see answer by Gogonati(809)

Question 427289: The percentage of residents in a city in Georgia who recycle increased from 28.3% in 2000 to 31.1% in 2007. Predict the percentage of residents who will recycle in 2017.
Click here to see answer by stanbon(57347)

Question 427384: I am confused on how to turn 7x+6=-2y into a acceptable form so I can graph it into my graphing calculator
Click here to see answer by rfer(12660)

Question 427463: write the equation of a circle with the center (0,0) and radius 8.
Thank you,
Holly
Click here to see answer by John10(245)

Question 427470: write the equation of a circle with center (0,2) and radius square root of 6.
Click here to see answer by John10(245)

Question 427491: write the equation of a circle whose diameter has endpoints (2,-7) and (2,1).
Click here to see answer by Gogonati(809)

Question 427478: write the equation of the line passing through (-3,-5) and (3,0). write your answer in the slope-intercept form y=mx+b
Click here to see answer by rfer(12660)

Question 427468: write the equation of a circle with center (0,0) and radius 8
Click here to see answer by Alan3354(30993)

Question 427708: what is the slope and intercept of y=7/8x-5/9?
Click here to see answer by ewatrrr(10682)

Question 427737: Solve systems of equations by graphing. Then classify system x + y =9 x - y = 3
Is it consistent?
Are equations dependent or independent?
Solution is ?
Click here to see answer by stanbon(57347)

Question 427743: f(x)=-3-7x
Hi, How do I graph this equation?
thanks
PAola
Click here to see answer by stanbon(57347)

Question 427856: expressed in y=mx+b form, what is (7,9); 5x + y=9?
Click here to see answer by richard1234(5390)

Question 427798: Please help me to solve for x
(x,3) (7,4) m= no slope
Click here to see answer by stanbon(57347)

Question 428140: what is the slope of a line whose graph is parallel to the graph of -5x+y=7? perpendicular to the graph 3x+y=7?
Click here to see answer by stanbon(57347)

Question 428197: How do you graph 2x>6
Click here to see answer by John10(245)

Question 428236: I'm not sure how to graph -x^2-4x-4. I solved to get the x intercepts which was -2. Then I got the vertex which is -2. How do I graph this?
Click here to see answer by vleith(2825)

Question 428266: Find the equation of the line containing the give pair of points (1,3) and (3,4)
Simplify the answer.Write the answer in slope-intercept form.Use integers or fractions for any number in the expression
Click here to see answer by Gogonati(809)

Question 428407: can someone break the steps down for x/21≤-6
Click here to see answer by richard1234(5390)

Question 428485: what is the slope intercept form of x-3y=6

Click here to see answer by algebrahouse.com(1079)

Question 428586: Solve by graphing and then get an exact solution by using either substitution or elimination. (if you cant graph please just answer the second part)
y=2/3x+3
{
3x-3y=-6
Click here to see answer by Theo(3464)

Question 428605: In an electric kettle with good insulation, o.85kg of water is warmed by an electric reisitor of 25 ohms which is connected to avoltage of 230V. in what time will the temperature of water rise by 20 degress celcius? specific heat capaicty of water is 4190j/kg *c
Click here to see answer by solver91311(16885)

Question 428657: Using your method of choice, what is the ordered pair?
x=7y+1
-3x+2y=-3
*Below is how far I've gotten before I got stuck:
-3(7y+1)+2y=-3
-21y-3+2y=-3
-19y-3=-3
-19y=0
Where do I go from here?
thanks!!!!!
Click here to see answer by ewatrrr(10682)

Question 428787:
Please help me solve this question. I dont seem to get it. Help is appreciated.
If the graph of the quadratic function y=ax+3 must pass through the point (4100)then what is the value of a to the nearest hundredths
I have no working to show because I havent got a clue about this.
Thanks 4 helping out.
Click here to see answer by stanbon(57347)

Question 428834: what is an equation for a nonvertical line that contains the point (2,-4)

Click here to see answer by stanbon(57347)

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