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

Tutors Answer Your Questions about Graphs (FREE)

Question 198015: What is the slope of the graph of y=-3x+11?
Click here to see answer by solver91311(17077)

Question 198154: The value of a certain car decreases at the rate of 300 dollars each month after being purchased new. Suppose that the car is worth 17,000 when it is 2 years old.
a. Determine a linear function on the axes provided. Label appropiately
c. Use this model to determine the value of the car after 4 years.
d. Determine how long after purchase the car's value will be half of its selling price.
Click here to see answer by arallie(162)

Question 198104: 6x+8y=24
Click here to see answer by arallie(162)

Question 198215: The graph of 3x-y=6 passes through the point
1.(1,7)
2.(5,9)
3.(6,-6)
4.(4,-6)
Click here to see answer by josmiceli(9817)

Question 198183: graph this function?
y=4(x+3)squared + 1

Click here to see answer by jojo14344(1512)

Question 198286: graph the line
y = x + 1
Click here to see answer by jim_thompson5910(28715)

Question 198365: I can't seem to figure out this question, I have been working on it for a long time and it's starting to frustrate me. I need help!
Graph the equation.
y+2=-(x-4)
Thank you!
Click here to see answer by jim_thompson5910(28715)

Question 198198: Find the equation for each of the following items below:
a. A line that passes through (6,2) and has a slope of 2.
b. A line that passes though the points (2,4) and (8,16)
c. A line that passes through (7,3) and has a slope of -1.
d. A line that passes through (1, 1) and is perpendicular to the line 3x+4Y=12.
e. A circle with a radius of 9 and a midpoint at (3,3)

Click here to see answer by arallie(162)

Question 198384: Describe the transformations on the following graph of f(x)=log(x). State the placement of the vertical asymptote and x-intercept after the transformation. For example, vertical shift up 2 or reflected about the x-axis are descriptions.
a) g(x)=log(x-3)
b) g(x)=log(-x)
Click here to see answer by stanbon(57962)

Question 198421: In the accompanying diagram of the graph of the parabola y=ax²+bx+c, which must be one root of the equation ax²+bx+c=0?
1.1
2.-3
3.3
4.-4
Click here to see answer by Alan3354(31518)

Question 198422: Solve graphically and check:
2x+y=10
x-y=2
Click here to see answer by stanbon(57962)

Question 198423: Solve the following system of equations, and check:
2x+3y=-4
5x+2y=1

Click here to see answer by jim_thompson5910(28715)

Question 198423: Solve the following system of equations, and check:
2x+3y=-4
5x+2y=1

Click here to see answer by m.keenan(1)

Question 198414: The graphs of the equations 4x-y=6 and x+y=4 intersect at the point whose coordinates are
1.(2,-2)
2.(5,-1)
3.(1,3)
4.(2,2)
Click here to see answer by nerdybill(7003)

Question 195774: fine the slope of the y intercept of the graph of 6x-5y=12
Click here to see answer by arallie(162)

Question 198501: Find the equation of the axis of symmetry and the coordinates of the turning point for y=x^2+4x-3
Click here to see answer by stanbon(57962)

Question 198515: Solve the following system of equations for the positive value of y:
x = 2y
x + y^2 = 15
Click here to see answer by stanbon(57962)

Question 198500: Y=x^2-2x-1
Y=-3x+5
Click here to see answer by jojo14344(1512)

Question 198634: can someone help
y=2x^2-4x-1
the vertex (1,-3)
y-intercept (0,-1)
the x-intercepts
enter the x-intercept with the smaller x value
( , 0 )??
enter the x-intercept with the larger x value
(2.224,0)
can not figure out the the first part of the smaller x value question
can someone help please
Click here to see answer by edjones(7569)

Question 198703: Please solve -0.8x < -16.
My answer:
The solution is, {x|x> 20}
Click here to see answer by arallie(162)

Question 198703: Please solve -0.8x < -16.
My answer:
The solution is, {x|x> 20}
Click here to see answer by solver91311(17077)

Question 198818: passes through (1,3) and is parellel to the graph of the relation 4x+y=6
Click here to see answer by jojo14344(1512)

Question 198892: If the point (2,k)lies on the graph of the equation y=3x-5, what is the value of k?
Click here to see answer by Alan3354(31518)

Question 198919: Find the slope of the y-intercept?
f(x)= -8x-10.
The slope is _ ?
The y-intercept is (0, ).
Thank you.
Click here to see answer by solver91311(17077)

Question 198919: Find the slope of the y-intercept?
f(x)= -8x-10.
The slope is _ ?
The y-intercept is (0, ).
Thank you.
Click here to see answer by actuary(112)

Question 198919: Find the slope of the y-intercept?
f(x)= -8x-10.
The slope is _ ?
The y-intercept is (0, ).
Thank you.
Click here to see answer by anantha(86)

Question 198879: How do I write an equation in standard form of the line that contains (1,1) and (6,-1)? thanks
Click here to see answer by checkley75(3666)

Question 198496: Graph the solution: 3x+y=>6 y<= -3x-2
Click here to see answer by checkley75(3666)

Question 199015: The slope of the graph of the equation y=2x is
1)1
2)2
3)0
4)1 over 2
Click here to see answer by AbyBavy(4)

Question 199068: Can you please help me to identify and solve this graph to see if its consistent or inconsistent and independent or dependent?

Y = 1/2x 9/2
Y = x + 6
Click here to see answer by solver91311(17077)

Question 199092: Solve graphically and check:
y=x+1
2x+y=7
Click here to see answer by solver91311(17077)

Question 199004: LInear equations verses graphs. Which is more informative and why?
text book is intermediate algebra, 4th edition.
Click here to see answer by solver91311(17077)

Question 199110: The chart below shows the result of a survey taken of one section of an arena at a concert. People were asked their ages as they were seated.
a)Construct a frequency histogram for the frequency table below.
Age Frequency
0-5 18
6-10 23
11-15 12
16-20 8
21-25 12
26-30 15
31-35 7
36-40 5
b)What is the total number of people who were less than 16 years old? 53

Click here to see answer by rfer(12729)

Question 199228: How do I write y = 5/7x + 9 in standard form?
Thank you

Click here to see answer by ankor@dixie-net.com(15746)

Question 199218: Solve the system of equations by graphing. Then classify the system.
X+y=9
x-y=-1
what is the solution to the system?
Click here to see answer by checkley77(12569)

Question 199369: What is the equation of the line that passes through the point (-3, -5) with slope 4?
Click here to see answer by solver91311(17077)

Question 199385: Determine the standard form of the equation of the line that contains (5,-1) and (-3, -9).
Click here to see answer by solver91311(17077)

Question 199388: Give the equation of the line that contains (7, -9) and (7, 3).
Click here to see answer by solver91311(17077)

Question 199402: Find the equation, in standard form, of the line perpendicular to 2x + 3y = -5 and passing through (3, -5). Write the equation in standard form, with all integer coefficients.
Click here to see answer by solver91311(17077)

Question 199419: y=-2x-1
Click here to see answer by rfer(12729)

Question 199367: Which equation is a direct variation with a constant of variation of 2/3?
A)y=2x+3 B)2y=3x C)3y=2x D)x=2y+3
Click here to see answer by Edwin McCravy(8999)

Question 199455: how can i solve this 3x-2y=12 if x=2,-2
please help me in this question of mine because it's very confusing to me and it's difficult to solve,...pls,...
,..tHanks ,...
Click here to see answer by stanbon(57962)

Question 199434: solve 5x + 6y = 18 solve for y
When graphed this equation would be a line. Be examining your answer to part a, what is the slope and y-intercept of this line?
slope = ___
y-intercept=_____
what is the corresponding value of y when x=12
Click here to see answer by checkley77(12569)

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