Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 437174: Find the domain of f(x)=(√(4-x))/(|x|-2)
Click here to see answer by robertb(5830)

Question 437306: x-3y=9
x+3y= -3
solve equation by graphing i am so lost can you help me

Click here to see answer by ewatrrr(24785)

Question 437306: x-3y=9
x+3y= -3
solve equation by graphing i am so lost can you help me

Click here to see answer by Alan3354(69443)

Question 436950: Determine weather the following three points make a right triangle.
(2,-5), (-5,2), (-6,-3)
Click here to see answer by ewatrrr(24785)

Question 437214: the table lists the average salaries of several professional athletes
in the years 1991 and 2001.
Year Average salary
1991 $262,000
2001 $1,360,000
A. A linear function that fits the data is s(x)=?
(x=number of years since 1990, and s=average salary x years from 1990.)

B. The predicted average salary for 2005 is?
The predicted average salary for 2010 is?
I know if I figure out a linear function for part A then I can figure out the rest.
Click here to see answer by ewatrrr(24785)

Question 437362: Complete the ordered pair below for the equation y=-10x+9 (0,_)
Click here to see answer by shree840(260)

Question 437374: Complete the ordered pair below for the equation y=-2x+3
(0,3).
Done.
Click here to see answer by Gogonati(855)

Question 437388: Find the equation of the line having given slope and containing the given point
m=7/8, (7,-9)
Click here to see answer by nerdybill(7384)

Question 437402: Write an equation of the line containing the given point and perpendicular to the given line.
(0,9) 4x+7y=2
Click here to see answer by stanbon(75887)

Question 437402: Write an equation of the line containing the given point and perpendicular to the given line.
(0,9) 4x+7y=2
Click here to see answer by ewatrrr(24785)

Question 437400: Find an equation of the line having the given slope and containing the given point. m= 2/3, (8,-6)
Click here to see answer by ewatrrr(24785)

Question 437399: Find the slope-intercept equation of the line that has the given characteristics. Slope is 0 and y-intercept (0,3)
Click here to see answer by ewatrrr(24785)

Question 437425: Cheap Truck rentals charges $15/day plus 0.12 cents per mile. Trucks 4 Less charges $20/day plus 0.10 cents per mile. How many miles would you need to drive in order for the cost of both rental companies be the same and what would that cost be?
Click here to see answer by josmiceli(19441)

Question 437350: solve by subsitution method can you assit me please
0.05x-0.01y= -0.1
0.28x+0.13y=10.6
Click here to see answer by Alan3354(69443)

Question 437493: Wx+4y=-12, what is the value of W

Click here to see answer by tinbar(133)

Question 436937: Can't figure this out. Can someone please help me figure out how to do this.
1. Imagine you are at a gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation
a. What does the number 3.03 represent?
b. Find C(2).
c. Find C(9).
d. For the average motorist, name one value for g that would be inappropriate for this function�s purpose. Explain why you chose that number.
e. If you were to graph C(g), what would be an appropriate domain and range? Explain your reasoning.

Click here to see answer by richard1234(7193)

Question 437461: Find an equation of the line having the given slope and containing the given point. m= 8 (7,4)
Click here to see answer by rfer(16322)

Question 437460: Find the slope-intercept equation of the line that has the given characteristics. m= -3 (0,8)
Click here to see answer by richard1234(7193)

Question 437460: Find the slope-intercept equation of the line that has the given characteristics. m= -3 (0,8)
Click here to see answer by rfer(16322)

Question 437469: 1.)what is tha equation of a line passing thru (-2,4) ; m=3/4
2.)what is tha equation of a line of x-intercept (3,0) ; passing thru (5,-3)
3.)what is tha equation of a line passing thru (3,2) , // to the line 2x-9y=15
4.)what is tha equation of a line perpendicular to the line 5x+9y=14, passing thru (-2,7)
Click here to see answer by solver91311(24713)

Question 437532: identify the slope and y- intercept of the line with the given equation. Use the slope and y-intercept to graph the equation. show work y = -2x + 3
Click here to see answer by rfer(16322)

Question 437598: Systems of equations can be solved by graphing or by substituting or elimination. what are the pros and cons of each method? What I got is-pros of graphing are: that are able to visually see the answer. Cons for graphing: harder to graph fractions.

what circumstances would cause you to use a different method?

Click here to see answer by scott8148(6628)

Question 437590: The ratio of the circumferences of a circle to its diameter is 22/7. What is the slope of the line on a graph that shows the relationship between circumferences and diameter?
Click here to see answer by robertb(5830)

Question 437699: solve for subsitution
15x-10y=1
15y=2+5x
8x+5y+14
x=52-9y
solve equation by graphong
x+y=4
y-x=4
solve by elimination
8x-y=47
x+y=16
Click here to see answer by mananth(16946)

Question 437721: Hi, i need help please!
1. x+y=10
2x-y=5
2. 3x-2y=5
4x-5y=-5
3. 3x-9y=1
6x-8y=2
4. 4x-y=8
2x+y=6
5. 12x+4y=8
3x+y=6
Which of these equations is independent, dependent or
consistent? please help explain. Thanks

Click here to see answer by stanbon(75887)

Question 437744: how do i find the slope to f(x)=-4x-5
Click here to see answer by nerdybill(7384)

Question 437845: What graph from the given below represents the line: x - y = 4 ?
Click here to see answer by stanbon(75887)

Question 437845: What graph from the given below represents the line: x - y = 4 ?
Click here to see answer by solver91311(24713)

Question 437878: can you please help me with this problem if line j is perpendicular to line k.If the slope of line j is 5/2,what is the slope of line k
Click here to see answer by ewatrrr(24785)

Question 437957: x-intercept=4, m=2
Click here to see answer by ewatrrr(24785)

Question 438049: SOLVE USING THE ADDITION AND MULTIPLICATION PRINCIPLES.
1+4x<21
Click here to see answer by rfer(16322)

Question 438039: I,m haveing problems solving this compound inequality. Please explaine steps.
5>-4x+4 and 7< or equal to -4x+2. Thank you
Click here to see answer by lwsshak3(11628)

Question 438167: How do you solve the problem 3x-8=y-4
Click here to see answer by richard1234(7193)

Question 438327: Find the wind chill temperture if the actual temperture is -5F and the wind speed is 35 mhp
Click here to see answer by ewatrrr(24785)

Question 438459: Where do the two graphs and intersect?
Click here to see answer by Gogonati(855)

Question 438459: Where do the two graphs and intersect?
Click here to see answer by Alan3354(69443)

Question 438459: Where do the two graphs and intersect?
Click here to see answer by josmiceli(19441)

Question 438521: How do you figure out what the slope is when they give you an equation?
Click here to see answer by scott8148(6628)

Question 438516: you need to choose between two telephone plans for local calls. Plan A charges $25 per month for unlimited calls. Plan B charges a monthlyfee of $13 with a charge of 0.06 per local call. How many local telephone calls in a month make plan A the better deal?
Click here to see answer by ashme(1)

Question 438701: How do you sve a + 7= 5a-9?
Click here to see answer by oberobic(2304)

Question 438753: Find the slope if it exists y = -2.19x. The slope is ? (Type an integar or decimal.)
Click here to see answer by nerdybill(7384)

Question 438875: Determine 3 solutions to this equation: 4x-2y=8 using this t graph.
x|y
---
0|-4
2|0
-1|-6
Click here to see answer by Gogonati(855)

Question 438946: find the slope and y-intercept of the line
3x + 4y = 24
-3x
4y=-3x-24
slope =-3 y intercept =-24 and exsplain
Click here to see answer by ewatrrr(24785)

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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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, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 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