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

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Question 176585: Slope-Intercept Form
Write an equation for each line. Use slope-intercept form if
possible
Click here to see answer by Alan3354(69443)

Question 176586: 26) n varies directly as q, and n = 39 when q = 3. Find n when q = 8.
Click here to see answer by stanbon(75887)

Question 176587: Slope-Intercept Form
Write an equation for each line. Use slope-intercept form if
possible.
ISBN: 9780073533490
Textbook: Elementary and Intermediate Algebra
Edition: 3e
Chapter: 3.3
Problem #: 8, 10

Click here to see answer by Mathtut(3670)

Question 176613: a. Graph the function f(x)=x^3-4
b. Approximate to the nearest tenth, the real root of the equation f(x)=x^3-4=0
Click here to see answer by Fombitz(32388)

Question 176707: Slope-Intercept Form
Write an equation for each line. Use slope-intercept form if
possible.

8. Points are (0, 3) and (2, -1)
10. Points are (0, -1) and (4, 1)
Click here to see answer by solver91311(24713)

Question 176823: Graph
y=1/3x
Click here to see answer by Alan3354(69443)

Question 176853: Hi I need some help with this problem:
Graph y=5x-2
Thanks in advance
Click here to see answer by jim_thompson5910(35256)

Question 176827: I need to graph this function, f(x)= (1/4)^x thank you in advance for your help.
Click here to see answer by Mathtut(3670)

Question 176859: I am trying to graph the equation of F(x)-= (3/2)^x
The line I am getting is wavy and not a nice curve. Could you please help me with finding some points of this equation.
I did -2 and got 3/4
-1 and got 2/3
0 and got 1
1 and got 3/2
and 2 and got 9/4
What am I doing wrong?
Click here to see answer by Mathtut(3670)

Question 176856: Hi I need some help with this:
Find the slope of a line aith coordinates (7,5) and (2,-4).
Thanks in advance!!
Click here to see answer by Mathtut(3670)

Question 176931: My teacher gave me this take home test and I'm not quite sure how to solve some of the equations on graphing, I've been trying for the past hour and can't seem to figure it out.
Problem:
Graph the equation. Tell which method you used.
2x + y - 11= 0
I dont understand how to graph it or solve it.
Click here to see answer by Mathtut(3670)

Question 176896: y=1/3x+3/2
Click here to see answer by checkley75(3666)

Question 176988: what is the slope of a line perpendicular to a line that passes through
93,8) and(1,-4) ?
Click here to see answer by Mathtut(3670)

Question 177000: A car gets the best mileage at intermediate speeds. Graph the gas mileage as a function of speed. Determine a reasonable domain and range for the function and justify your reasoning.

Click here to see answer by rapaljer(4671)

Question 177018: What is the equation of a parabola with vertex (0,0) and focus (0,4)?
Draw its graph on the grid
Click here to see answer by Edwin McCravy(20055)

Question 177062: Explain and Graph f(x)=2x^2(x-3)(x+1)^2
Click here to see answer by Fombitz(32388)

Question 177061: What are the two possible graphs of g(x)=(x+1)(x+5)(x^2-2x+2)?
Click here to see answer by Fombitz(32388)

Question 177078: How do I graph the inequality x + 3y < 6?

Click here to see answer by stanbon(75887)

Question 177060: State the amplitude, period, phase shift and vertical translation of the function:
f(x)= 3cos(2x-3(pie)/4)-1. Sketch one cycle of the function

Click here to see answer by stanbon(75887)

Question 177172: How do I use transformations of y=x^4 or y=x^5 to graph these functions.
1) f(x)=(x+3)^5
2) f(x)= x^5+3
3) f(x)= (x-1)^4-2

Click here to see answer by stanbon(75887)

Question 177021: graph the ellipse x^2+4y^2=64

Click here to see answer by gonzo(654)

Question 177256: how do you rewrite the equation in slope intercept form then determine the slope and y-intercept.
1)5x - 4 = 12 + 4y
2)3/4x + y + 10 = 10

Click here to see answer by jim_thompson5910(35256)

Question 177290: The question is: Find an equation of the line satisfying the given conditions.
Through (6,8) and vertical.
Click here to see answer by gonzo(654)

Question 177288: I am trying to help my son with the following problem regarding solving compound inequalities: 5/x + 3 > 0. I understand the steps involved and how to graph the equation. I can get as far as 5/x > -3 but I don't know how to solve for x or get x on the side by itself.
Thank you for your help
Click here to see answer by stanbon(75887)

Question 177332: give equation for 2x on line graph
Click here to see answer by MathLover1(20849)

Question 177381: Solve
What are the solutions
5x^2=35
(type exact answers using radicals as needed. Rationalize all denominators.
Click here to see answer by Mathtut(3670)

Question 177387:
Click here to see answer by raybird(1)

Question 177388: 10x-8y=negative46
x+2y=1
Click here to see answer by jim_thompson5910(35256)

Question 177446: x=-1
Click here to see answer by Mathtut(3670)

Question 177498: Hi so I can't tell the difference between discrete graphs and continuous graphs. I mean, when to connect the dots in a graph. Like for example, graph the relation y=2x+12 for a membership fee of $12 for a flat fee plus $2 per visit. Graph the relation for 0-10 visits. Would this be a discrete or continuous graph? On my test, I wrote that it was discrete. Is this correct?
Click here to see answer by gonzo(654)

Question 177686: What is the slope of the line x = -8?
Click here to see answer by user_dude2008(1862)

Question 177686: What is the slope of the line x = -8?
Click here to see answer by solver91311(24713)

Question 177740: For each pair of points find the distance between them and the midpoint of the line segment joining them.
a) (a,0),(b,0)
b) (π,0),(π/2,1)
Thank you in advance!!
Click here to see answer by jim_thompson5910(35256)

Question 177767: Please solve
A. (3-√(x+2) )^2=4
and
B. 3+5√(1+2x ^2 )=13

thank you!
Click here to see answer by solver91311(24713)

Question 177860: 41. Anthony has 10 ft of framing and wants to use it to make the largest
rectangular picture frame possible. Find the maximum area that can
be enclosed by his frame.

42. A ball is thrown upward from ground level. Its height h, in feet, above
the ground after t seconds is h = 48t - 16t2. Find the maximum height
of the ball.

43. Suppose a parabola has a vertex in Quadrant IV and a , 0 in the
equation y = ax2 + bx + c. How many real solutions will the equation
ax2 + bx + c = 0 have?
Click here to see answer by stanbon(75887)

Question 177983: can someone please help me with this graping problem please.
Find the slope of a line given the points that are on the line (1. -3), (-3. 4)

Click here to see answer by nerdybill(7384)

Question 177988: can someone help me with this problem, by completing each order of pair of the given equation
y =2x + 5: (8, ), (-1, ), ( , -1)

Click here to see answer by solver91311(24713)

Question 177988: can someone help me with this problem, by completing each order of pair of the given equation
y =2x + 5: (8, ), (-1, ), ( , -1)

Click here to see answer by stanbon(75887)

Question 178033: -10<2x-5<5 solve and graph
Click here to see answer by Mathtut(3670)

Question 178073: Graph y=5x-2 how do I even start this?
Click here to see answer by stanbon(75887)

Question 178073: Graph y=5x-2 how do I even start this?
Click here to see answer by Mathtut(3670)

Question 178094: Find the value of r in (4,r), (r,2) so that the slope of the line containing them is -5/3.
Click here to see answer by nerdybill(7384)

Question 178130: Graph y=3^x
Click here to see answer by josmiceli(19441)

Question 178149: Solve each system of inequalities by graphing
[] means absloute value.also can you tell me what the > is it dotted of not??

y>1
y[x]+1

2x-3<9
x+y>-2

Click here to see answer by stanbon(75887)

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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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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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, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975