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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 328045: (2,-1),m=-2/3
I can get most of the problem but get lost when with the end
Click here to see answer by solver91311(24713)

Question 328045: (2,-1),m=-2/3
I can get most of the problem but get lost when with the end
Click here to see answer by josmiceli(19441)

Question 328076: State whether the equation represents a linear, quadratic, or exponential function.
y = 4x - 1 - 12x
A) Linear
B) Quadratic
C) Exponential
D) None of the above
I believe it is a Linear equation but I could use a second opinion.I could really use some help with this problem. Thank you.
Click here to see answer by rapaljer(4671)

Question 328131: graph the following liner equation y=-/2x/
Click here to see answer by Fombitz(32388)

Question 328128: graph the following liner equation y=x2-2x
Click here to see answer by Alan3354(69443)

Question 328172: solve this equation 2x = 5x -12
Click here to see answer by nyc_function(2741)

Question 328197: Find the intercepts and then use them to graph the equation. y = -4 - 4x
Click here to see answer by checkley77(12844)

Question 328129: graph the following liner equation y=/-x/
Click here to see answer by Fombitz(32388)

Question 328260: find the equation of the line that contains (0,4) and parallel to y = 1/2x +2
part two
find the equation of the line that contains (0,4) and perpendicular to y = 1/2x +2
Click here to see answer by stanbon(75887)

Question 328319: eliminate the fractions in the following equation:
x(3/4) + y(2/3) + z(5/6) = 2
Click here to see answer by mananth(16946)

Question 328320: solve by the addition method:
(x/4) - (y-3) = -4 and (x/8) + (y/6) = 0
Click here to see answer by mananth(16946)

Question 328317: Murray and Max must paint the fence around their home. The fence is 810 feet long. Murray agrees to paint 25% more of the fence than Max. How many feet of fence must each paint?
Click here to see answer by mananth(16946)

Question 328315: Irving has 35 coins, consisting of only dimes and nickels. If the value of his coins is $3.30, how many nickels and dimes does he have?
Click here to see answer by mananth(16946)

Question 328278: find the equation of the line passing through (0,1) that is parallel to the graph of y=3/4x-4 in standard form
Click here to see answer by Fombitz(32388)

Question 328372: Without graphing, determine whether the following paraholas opens upward or
downward and find the vertex.
g(x)=-4(x+1)^2+8

I know it opens downward and the vertex is (-1,8) I just don't know how it was
found. Can you please help.

Thanks

Click here to see answer by Fombitz(32388)

Question 328380: In a shooting competition, a person receives $5 if he hits the mark and pays $2 if he misses it.He tried 60 shots and was paid $13. how many times did he hit the mark?
Click here to see answer by Fombitz(32388)

Question 328402: Without graphing, determine whether the following paraholas opens upward or
downward and find the vertex.
g(x)=-4(x+1)^2+8

I know it opens downward and the vertex is (-1,8) I just don't know how it was
found. Can you please help.

Thanks
Click here to see answer by Alan3354(69443)

Question 328392: In a shooting competition,a person receives $5 if he hits the mark and pays $2 if he misses it. He tried 60 shots and was paid $13. How many times did he hit the mark?
Click here to see answer by Fombitz(32388)

Question 328446: rewrite the equation 2x=3y=6 in slope-intercept form.
Click here to see answer by Alan3354(69443)

Question 328437: what is the slope of a line that runs parallel to y=-x=7?
Click here to see answer by Fombitz(32388)

Question 328533: A TENT MAKER HAD 4500 SWUARE YARDS OF NYLON TENT MATERIAL, IT TAKES 45 SQ YARDS OF NYLON MATERIAL TO MAKE AN 8X10 TENT AND 50 SQUARE YARDS TO MAKE A 9X12 TENT. TO MODEL THIS SITUATION THE MANAGER WROTE THE EQUATION 45X+50Y=4500. WHAT DO X AND Y REPRESENT? GRAPH THE EQUATION, HOW MANY SOLUTIONS ARE THERE TO THE EQUATION? GIVEN THAT THE NUMBER OF TENTS OF EACH TYPE MUST BE A WHOLE NUMBER
Click here to see answer by solver91311(24713)

Question 328435: the solution to 2x-2=5=13 is what?
Click here to see answer by Fombitz(32388)

Question 328534: y=-1/2x+5 state the x intercept and y intercept, then graph using intercepts and a third point
Click here to see answer by stanbon(75887)

Question 328538: a manufacturer plans to spend $150,000 on research and development for a new lawn mower and then $200 to manufacture each mower. the formula C=200n+150,000 gives the cost in dollars of n mowers. what is the cost of 5000 mowers?
what is the cost of 5001 mowers?
by how much did the one extra mower increase the cost?
Click here to see answer by nyc_function(2741)

Question 328566: How do i graph a line going through (-1,3) with slope=0 and state the domain and range?
Click here to see answer by stanbon(75887)

Question 328551: find slope of the line passing through the pair points
(2,3)&(-1,2)
find the equation of a line passing through the given point with the given slope
(6,2),m=1/3
Evaluate the functions: f(x)=6x-5
f(-2)
f(5)
Determine the slope and y intercept
-7x+2y=3
2y=8x-6
Click here to see answer by solver91311(24713)

Question 328441: if d=m/v,the value of m when d =5.1 and v= 0.3 is what?
Click here to see answer by solver91311(24713)

Question 328578: how can i write an equation of the following line:
vertical, through (5,4)?
Click here to see answer by solver91311(24713)

Question 328445: a rectangle has a length of x=2,a width of 7,and a perimeter of 32. The value of x is what?
Click here to see answer by checkley77(12844)

Question 328607: this question is in my sons summer math packet
"sketch the plane defined by the equation 2x+y-z=10"
I wish I could show you our work but after hours of research we don't have a clue.
thank you very much
Tom Gibson cave creek az

Click here to see answer by Alan3354(69443)

Question 328666: Enter the equation of the following using line in slope-intercept form.
Two points on the line: (4, -2) and (-2, 4).
Click here to see answer by nyc_function(2741)

Question 328665:
Enter the equation of the following using line in slope-intercept form.
Two points on the line: (3, 0) and (5, 2)
Click here to see answer by nyc_function(2741)

Question 328712: the cost for the manufacturing of a cd varies inversely with the number of cd's made. if the cost is $2.50 per cd when 10,000 are made, then what is the cost per cd when 100,000 are made?
Click here to see answer by Theo(13342)

Question 328718: graph inequality 2x<3y+6
Click here to see answer by Edwin McCravy(20055)

Question 328718: graph inequality 2x<3y+6
Click here to see answer by vleith(2983)

Question 328717: a gun is fired straight upward. the bullet leaves the gun at 100 feet per second (time t=0) after 2 seconds the velocity of the bullet is 36 feet per second there is a linear equation that gives the velocity v in terms of the time t. find the equation and find the velocity after 3 seconds
Click here to see answer by stanbon(75887)

Question 328625: Solve.
6x + 2y =7
y = 2 - 3x
Click here to see answer by Fombitz(32388)

Question 328663: Enter the equation of the following using line in slope-intercept form.
slope = 0; y-intercept is 4
Click here to see answer by Fombitz(32388)

Question 328664: Enter the equation of the following using line in slope-intercept form.
Slope = 2; point on the line is (-2, 1)
Click here to see answer by Fombitz(32388)

Question 328685: Need help!! Im lost, Thanks!

Take a look at the following table:
x -2 -1 0 1 2
f(x) -5 -2 1 4 7
a. Write out an equation for f(x). Assume the function is linear

b. What is the slope? Is it negative or positive? What information do we get from the slope?

2. Suppose you have a cookie stand, and when you charge $3 per cookie box you sell 200 boxes. But when you raise your price to $4 you only sell 120 boxes.
a. Write an equation for the number of boxes you sell as a function of the price you charge.
b. Denote "B" for number of boxes, and "P" for the price you charge.
c. Assume the function is linear.

3. Continuing our lemonade stand question:
a. We all know that total revenue (TR) is a function of the price we charged (P) multiplied by the item quantity sold (in our case � boxes), i.e., TR = Price * Boxes
b. Please write the equation for your TR by inputting your answer from the function you have calculated in question #2 into it.
c. What price would maximize your TR?

Click here to see answer by Theo(13342)

Question 328737: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function on paper. f(x)=x^2-4x-4
Click here to see answer by Fombitz(32388)

Question 328805: 5/8 - 2/5 = 1 over Y. How do i solve for Y
Click here to see answer by Alan3354(69443)

Question 328851: slope of y=5/8x-9
Click here to see answer by Fombitz(32388)

Question 328856: factor completely 48y2-3
Click here to see answer by Fombitz(32388)

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, 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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, 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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