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

Tutors Answer Your Questions about Graphs (FREE)

Question 781203: 4/3x + 2 = -1

Click here to see answer by Alan3354(69443)

Question 781277: Which equation represents the line that passes through point (4,2) and is perpendicular to the line repressented by the equation y=-1/2x+3?
Click here to see answer by lwsshak3(11628)

Question 781614: V = 1/3pieRsquared times h solving for h
Click here to see answer by Alan3354(69443)

Question 781633: The graph is a parabola with vertex (3,-8) and passing through the origin. Write the quadratic equation of this graph.

Click here to see answer by tommyt3rd(5050)

Question 781671: What is the point solution of the equation y=18x-11
Click here to see answer by stanbon(75887)

Question 781672: Is (-9,-7) a solution of 3x-7y=15
Click here to see answer by stanbon(75887)

Question 781661: What is the graph of Y = -5x+8
Click here to see answer by fcabanski(1391)

Question 782004: An equation of a line through (-4, 6) which is perpendicular to the line y = 2x +2 has slope: �?
and y intercept at: �?
Click here to see answer by oscargut(2103)

Question 782070: how do yo solve
y=1-x
y=x-7
Click here to see answer by oscargut(2103)

Question 782279: How do I graph y-5=2(x=1)
Click here to see answer by rothauserc(4718)

Question 782490: use the elimination method to solve the system of equations
a + 6b = -1
a + 2b = -5
Click here to see answer by Alan3354(69443)

Question 782504: Solve the system of linear equations by graphing.
2x+y=0
5x+y=6
Use graphing tool to graph the system.
What is the solution of the system of equations? Select the correct choice.
A. ___ (type an ordered pair)
B. There are infinitely many solutions.
C. There is no solution.
Click here to see answer by MathLover1(20849)

Question 782488: simplify the expression (-5p)^4
Click here to see answer by MathLover1(20849)

Question 782517: 3x+2y=12
Click here to see answer by Gogonati(855)

Question 782495: Sketch a graph of y=f(x).
f(x) = -2x + 4
Click here to see answer by Gogonati(855)

Question 782596: Write an equation for the line that passes through the points shown in the table.
x -2 -1 0 1 2
y 8 8 8 8 8
Click here to see answer by Alan3354(69443)

Question 782618: Graph the equation using the x- and y- intercepts.
x/4 - y/7 = 1
Click here to see answer by josmiceli(19441)

Question 782925: An important driving guideline is that you leave one car length between your car and the car in front of you for every 10 mi/h of speed. Thus, you should leave three car lengths if you are driving at 30 mi/h and five car lengths if you are driving at 50 mi/h. Is this guideline consistent with the model f(x)=x+(x^2)/20?
Click here to see answer by solver91311(24713)

Question 782327: Solve the following inequality . Graph the solution set and write it in interval notation
3x<-5.4
Click here to see answer by Edwin McCravy(20054)

Question 782958: how do you graph inequalities with two variables for example
x+2y<-6
Click here to see answer by solver91311(24713)

Question 782965: Please Help
The E&W Light Company charges their customers $.14 per kilowatt-hour used. The E & W Company sends the customers their bills monthly.
1. Use the scenario to complete the following questions.
A. Identify the independent and dependent quantities and their units for this problem situation

Also could you tell me how to calculate unit rate of change?
Click here to see answer by solver91311(24713)

Question 783408: Hi I would like some help in solving to find the x and y intercepts of the equation: y=x^2-6x+8
For the Y-intercept I was able to get that y=8 but I am not sure if that is right and I cant solve for x. If you could help me that would be greatly appreciated.
Click here to see answer by solver91311(24713)

Question 783415: how do you plot 5y-2x=8 on a straight line graph?
Click here to see answer by solver91311(24713)

Question 783415: how do you plot 5y-2x=8 on a straight line graph?
Click here to see answer by oscargut(2103)

Question 783415: how do you plot 5y-2x=8 on a straight line graph?
Click here to see answer by stanbon(75887)

Question 783406: How would I graph the equation by plotting points by letting x=-3,-2,-1,0,1,2,3 where applicable for the equation y=-sq.rt9-x^2 If you could please help me that would be great. Thanks :)
Click here to see answer by oscargut(2103)

Question 783439: The equation P=-0.5t^2-3t+8 describes the monthly profits(in millions) of ABCD Corp. for the year 2004 with t=0 representing July 2004.
a. How much profit did the corporation make in March 2004?
b. How much profit did the corporation make in October 2004?
c. Sketch the graph of the equation
d. Find the t-intercept. What does it represent?
e. Find the P-intercept. What does it represent?
I have already started on the problem and for a. I got 12 million and b. I got -5.5 million. If you could help me by double checking my answers that would be great as well as helping me solve d and e. Thank you
Click here to see answer by stanbon(75887)

Question 783438: How do you factor x*x +6x+12 ?
Click here to see answer by jim_thompson5910(35256)

Question 783677: Write this set interval notation.
{x|x is less than or equal to 1}
Click here to see answer by jim_thompson5910(35256)

Question 783918: Find all y-intercepts and x-intercepts of the graph of the function
f(x)=x^3-3x^2-x+3
Click here to see answer by waynest(281)

Question 784272: How to graph the inequality of x<-1 ?
Click here to see answer by rfer(16322)

Question 784409: x-4(x+8)=8x-32
Click here to see answer by waynest(281)

Question 784585: Solving for B... A=3/2(B+5)
Click here to see answer by sheldonbbtrocks(115)

Question 784810: Given g(x)=x^2-3x+1 find the value of g(a+1)
Click here to see answer by solver91311(24713)

Question 784814: x+3=9 graph
Click here to see answer by fcabanski(1391)

Question 784814: x+3=9 graph
Click here to see answer by MathLover1(20849)

Question 784940: the usual toll charge to use the Bingham tunnel is 50 cents. if you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel are needed before the sticker costs less than paying for each trip separately?
Click here to see answer by edjones(8007)

Question 785043: Graph this quadratic.
Click here to see answer by waynest(281)

Question 785295: 5y-1 greater than or equal to 2y +5
Click here to see answer by rfer(16322)

Question 785314: Determine the equation of a line passing through (3,10) and gradient of 4.

Click here to see answer by MathLover1(20849)

Question 785270: Determine whether the graph of y= 3+ x^2 is symmetric with respect to the x- axis, the y-axis or the origin.
Click here to see answer by KMST(5328)

Question 785382: Find an equation of the line that passes through the given point and is perpendicular to the given line. Write the equation in slope-intercept form.
(8, −4), 5x = 7y −
Click here to see answer by mananth(16946)

Question 785478: what would the graph of 2y+3x=6 look like
Click here to see answer by oscargut(2103)

Question 785550: For the equation -4x^6+6y=-9 answer the following questions.
Is the equation symmetric with respect to the y-axis? ( yes or no)
Is the equation symmetric with respect to the x-axis? ( yes or no)
Is the equation symmetric with respect to the origin? ( yes or no)
thank you!!
Click here to see answer by KMST(5328)

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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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