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

Tutors Answer Your Questions about Graphs (FREE)

Question 612374: 75 dollars per person and 10 dollars per person, 40 dollars for lift ticket,520 ship fee how do i graph that
Click here to see answer by Alan3354(69443)

Question 612777: evalute f (-3) if f(x)=-x^2+2
f(2) if f(x)=-5x+6
A function f is represented verbally by "cube the input x and then add 4".
give the symbolic representation of f.
Determin if f (x)=-5/2+3x is a linear function, yes it is.. give value for a and b so that f may be expressed as f(x)=ax+b

Click here to see answer by stanbon(75887)

Question 613066: x+y=6
x-y=4
How do I solve this system so I can graph it
Click here to see answer by stanbon(75887)

Question 613282: I need to show the graph of this function....
f(x)=|x|
Click here to see answer by ewatrrr(24785)

Question 613314: In the perimeter formula p=2l+2w , l is the length and w is the width.
Complete the sentence to describe the relationship between l, w, and P in words
If you know l and w and want to find P,

Thanks For The Help.

Click here to see answer by nerdybill(7384)

Question 613407: i need help with this graphing y=[x+4]+2
Click here to see answer by lwsshak3(11628)

Question 613734: I'm stumped, I've worked on this probably simple problem for two hours and just can't get it, my book doesn't even explain anything like it.

Here it is:
You plan to start taking an aerobics class. Nonmembers pay 5$ power class. Members pay a6$ monthly fee plus an additional 4$ pet class. Three monthly cost, y, of taking x classes can be modeled by the following linear system
Y=5x
Y=4x+6
Using graphing to solve the system.

The solution set is { }
Type an ordered pair. Use integers or decimals for any numbers in the expression.
Click here to see answer by jim_thompson5910(35256)

Question 613756: find vertex of x^2-6x+6
Click here to see answer by ewatrrr(24785)

Question 614143: How do you graph y is less than or equal to 5/2x + 10?
Click here to see answer by stanbon(75887)

Question 614162: how would you solve and graph 2x+y=1
Click here to see answer by radh(108)

Question 614199: what is the five order of pairs for y=x+9

Click here to see answer by ewatrrr(24785)

Question 614191: Could you graph y= 3x-5.
Click here to see answer by jim_thompson5910(35256)

Question 614416: Have (4) circles, each 40 ft in diameter. Each are 20 ft away from each other. What is the equation for finding radius, and graph center of circle?
Click here to see answer by Alan3354(69443)

Question 614454: How would you graph y=4/3x-1
Click here to see answer by Alan3354(69443)

Question 614838: Find an equation of the line satisfying the conditions given. Express your answer in standard form.
Parallel to 3x - y = -5 and passing through (-1,0)
Click here to see answer by rfer(16322)

Question 614865: Without graphing, determine if the pairs are parallel, perpendicular or neither.
5x - 6y = 19
6x + 5y = -30
Click here to see answer by scott8148(6628)

Question 614904: Find an equation of the line that passes through the given point and has the given slope. Express your answer in slope-intercept form.
(8,0), m= -3

Click here to see answer by lwsshak3(11628)

Question 614906: Find an equation of the line satisfying the conditions given. Express your answer in standard form.
Parallel to 3x - y = -5 and passing through (-1,0)

Click here to see answer by lwsshak3(11628)

Question 614866: Write the ordered pair for f(-5) = 8 and identify the x- and y- values.
Click here to see answer by rfer(16322)

Question 614983: A solid body has a cross-section which is in the shape of the region between the curves and .
Using calculus, accurately calculate the area under the two curves, between the intersect points.

I plotted my graph and know that it need integrating but not sure how you would do both accurately...add the areas...subtract them? im abit lost
Click here to see answer by Theo(13342)

Question 614984: A velocity-time graph for a moving object is such, that it has the function x^2-4
Find the area under the graph giving the answer in an accurate form, from x=-1 to x=4
(suggestion: sketch the graph first by either hand or computer as a reference aid)

i made my graph and see why it suggests it as a reference...so of the area under the curve is in the negative and some is in the positive, how to i combine them accuratly?
Click here to see answer by josmiceli(19441)

Question 615114: Perform the indicated operation. Please show all of your work.
3/4 * 1/4
Click here to see answer by rfer(16322)

Question 615212: I have tried to find the solve the problem below if refernce to perpendicular lines it states:
Write the equation of a line perpendicular to the given line but passing through the given point y=2x-1,(2,-2)
I came up with:
y=2x-1; (2,-2)
y=2x(2)=4-1=3
y=2x(-2)=-4-1=5
y=3
y=5
However the instructor said that the slope of the perpendicular line should be
-1. I can not figure out how he came to that answer
Click here to see answer by jim_thompson5910(35256)

Question 615320: Input the equation of the given points in standard form not slope intercept form.
(-3,2) (0,3)
Click here to see answer by mananth(16946)

Question 615319: Input the equation of the given points in standard form not y=mx+b
(-2,0) (0,-3)
Click here to see answer by solver91311(24713)

Question 614722: Give the slope and the Y-intercept of the line and graph it.
3y=8x
Click here to see answer by asuar010(338)

Question 614693: y=2x+3
Click here to see answer by asuar010(338)

Question 615640: Do you want to have sex? If so i'd like to square root you ;)
Click here to see answer by stanbon(75887)

Question 615657: What is the length of the missing side of the triangle? If necessary, round to the nearest tenth.
One side of the triangle has the length of 19 and second side has 14.
Answer choices:
a) 16.5
b) 33
c) 12.8
d) 23.6

Click here to see answer by rfer(16322)

Question 615872: graph the following y=3x-1
Click here to see answer by solver91311(24713)

Question 615873: find the slope of the line that passes trough each pair of points.
(12,10) and (3,9). (-4,11) and 5,2) (4,-4) and (3,-1)
Click here to see answer by jim_thompson5910(35256)

Question 616204: How would I solve the inequality and graph g-10>3?
Click here to see answer by solver91311(24713)

Question 616282: What is the slope of the line through the points (2,-6)(9,13)

Click here to see answer by lwsshak3(11628)

Question 616303: Graph the lines x=1 and y =-2 on the same coordinate system. Where do these lines intersect?
Click here to see answer by jim_thompson5910(35256)

Question 616300: Find the value of R:(9,r)(6,3)m=-1/3

Click here to see answer by ewatrrr(24785)

Question 616541: Which ordered pair is a solution of the equation 2x − y = 9?
Click here to see answer by lynnlo(4176)

Question 616656: which equation describes the line that contains the points (-1, -8) and (-9, -21)?
1. (y+8)=13/8(x+1)
2. y=3x-8
3. 2y-18x=5
Click here to see answer by stanbon(75887)

Question 616719: Are the lines 2x-5y=0 and y+3=5/2x parallel, perpendicular or neither
Click here to see answer by richwmiller(17219)

Question 616733: Find the value of y so that the line passing through the two points has a given slope
(2,y)(11,8)
Click here to see answer by nerdybill(7384)

Question 616920: x+4y=-7
-4x+5y=28
Click here to see answer by dragonwalker(73)

Question 616883: 2x+3y=10
Click here to see answer by Alan3354(69443)

Question 616989: Graph the two equations to solve the system. What is the solution?
3x + 2y = 6 and y = -3/2x -1
(I am honestly confused about this, and I don't know what to do. I've tried plugging in an x y coordinate that worked with one of the equations; which took up nearly two hours. Thank you!)
Click here to see answer by Alan3354(69443)

Question 617162: what's the value of x/5 + 3y^2 - Z
if x=30 y=2 z=-2

Click here to see answer by vleith(2983)

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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, 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