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

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Question 971388: a line with slope -2 passes through the points (-1, 3), what is the equation of the line.
a. y=-2x+1
b. y=-3x-1
c. 2y=-x-1
d. 2y=x-1

Click here to see answer by josgarithmetic(39617) About Me 

Question 971391: the minute hand of a clock is 9 inches long and moves from 6 a clock to 8 a clock. how far does the tip of the minute hand move? (HINT: the angle should be in radians)
a. 9.42 inches
b. 8.92 inches
c. 10 inches
d. 10.01 inches

Click here to see answer by macston(5194) About Me 

Question 971455: A quadratic equation is shown below:
9x^2 - 36x + 36 = 0
Part A: Describe the solutions to the equation by just determining the radicand. Please show your work.
Part B: Solve 2x^2 - 9x + 7 = 0 using a correct method. Please show the steps of your work and explain why you chose the method used.
Part C: Solve 3x^2 - 12x + 2 = 0 by using a method different from the one you used in part B. Please show the steps of your work.
Thank you for your time.

Click here to see answer by Boreal(15235) About Me 

Question 971496: what is the y-intercept of the function, represented by the table of values
x y
-2 14
1 8
2 6
4 2
7 -4

Click here to see answer by erica65404(394) About Me 
Question 971496: what is the y-intercept of the function, represented by the table of values
x y
-2 14
1 8
2 6
4 2
7 -4

Click here to see answer by Alan3354(69443) About Me 

Question 971511: Graph the two linear functions below on your own paper, then answer the questions given. y = 2x + 3 B) y = 2x + 1
a) Give three points that each graph goes through.
b) Describe how the two graphs are similar.
c) Describe how the two graphs are different

Click here to see answer by Boreal(15235) About Me 

Question 971561: I am having problems with an algebra problem that requires a table of values to be able to plot it in a graph as well as break down the equation. Can anyone help me?
Click here to see answer by Alan3354(69443) About Me 

Question 971577: a room twice as long as the width. If the area of the room is 72 square feet, what is the perimeter.
Click here to see answer by amarjeeth123(569) About Me 

Question 971644: Consider the line 9x-5y=9
What is the slope of a line parallel to this line?
What is the slope of a line perpendicular to this line?

Click here to see answer by amarjeeth123(569) About Me 

Question 971735: Which point is on the line y=-3x+1. Totally lost on this? I am getting points (-3,1).
Click here to see answer by rfer(16322) About Me 

Question 971732: I am having trouble with this equation....3x + 4y=12. I need to find the x and y intercepts plus the third set of values. I need to plot the intercept points on the graph.
Thank You.

Click here to see answer by rfer(16322) About Me 

Question 971781: Which of the following is the equation of the line that contains the points (-2.5,4) and (5,-2)
Click here to see answer by macston(5194) About Me 

Question 971766: Every two years the value of a $225 investment at CIBC grows by $50. At RBC, a $150 investment grows by $90 every 3 years. Use a graphical method to determine when the investments are worth the same value.
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 971831: {x1x>-5} there is also a line under the greater than and less than sign. I really need a website that can help me answer this.
Click here to see answer by Alan3354(69443) About Me 

Question 971861: The points (2, -7) (-2, 1) and (8,K) are all on the same slope.
How can I solve for the variable "K"?
Thanks for your time and effort! :)

Click here to see answer by Boreal(15235) About Me 

Question 971849: -3 (! 8×4) 7 (6×5)=
Click here to see answer by Alan3354(69443) About Me 

Question 971851: -3 (8×4) 7 (6×5)=
Click here to see answer by Alan3354(69443) About Me 

Question 971900: I am having problems solving this equation: x-3y=6. I need to find the x and y intercept and the third values to be able to graph them. Could you please show the work how you arrived at each answer?
Thank You in advance!

Click here to see answer by Alan3354(69443) About Me 

Question 971929: what are the value of x and y if
7 x^2 -2 = 7 7
3 4 y-3 4
a. x=3,-3, y=6
b. x=3, y=0
c. x=-3, y=6, -6
d. x=-1, y=-2

Click here to see answer by Alan3354(69443) About Me 

Question 971973: Find the x and y intercepts for the equation y=5-x
Click here to see answer by josgarithmetic(39617) About Me 

Question 972004: The sum of digits of two digit number is 5.If the digits are reversed, the number is reduced by 27. Find the number.
Plzzzzzz solve it........
Thank you. ........!!!!!!

Click here to see answer by Alan3354(69443) About Me 

Question 972010: 1/5 (x-2) =1/4 (1-y)
26x+3y+4 =0
Plzzzz solve it......
Thank you. ....!!!!!!

Click here to see answer by stanbon(75887) About Me 

Question 972009: A space craft flying in a straight course with a velocity 75km/s fires it's rocket motors for 6.0 seconds . At the end of this time it's speed is 120 km/s in the same direction. Find(i) the space craft's average accleration while the motors are firing, (ii) the distance travelled by the space craft in the first 10 seconds after the rocket motors having been in action for only 6.0s .
Plzzzz solve. .......
It would be a great help indeed !!!!!!!
Thank you

Click here to see answer by Alan3354(69443) About Me 

Question 972144: What is the the slope y=-4x-1?
Click here to see answer by rothauserc(4718) About Me 

Question 972441: Seven times a two digit number is equal to four times the number obtained by reversing the digits. If the difference between the two digits is 3, find the number.
Plzzzzzz solve it.......
Thank you. ...!!!!

Click here to see answer by rothauserc(4718) About Me 
Question 972441: Seven times a two digit number is equal to four times the number obtained by reversing the digits. If the difference between the two digits is 3, find the number.
Plzzzzzz solve it.......
Thank you. ...!!!!

Click here to see answer by Edwin McCravy(20055) About Me 
Question 972441: Seven times a two digit number is equal to four times the number obtained by reversing the digits. If the difference between the two digits is 3, find the number.
Plzzzzzz solve it.......
Thank you. ...!!!!

Click here to see answer by MathTherapy(10552) About Me 

Question 972519: find the gradients
3y+x=1
2y=3x+7
4y-5x=2

Click here to see answer by Alan3354(69443) About Me 

Question 972569: find the gradients
2x+3y=7
4y-5x=2
i need it hurry our great expert

Click here to see answer by macston(5194) About Me 

Question 972615: What is the slope of the line that passes through (3, 2) and (-1, -4)
Click here to see answer by rfer(16322) About Me 

Question 972744: which of the following system of linear equation an infinite number of solutions
a. 2x+3y=10, 4x+12y=40
b. x+y=11, 5x+5y=55
c. x+y=8, 2x-y=6
d. 2x+y=8, 4x+2y=11

Click here to see answer by amarjeeth123(569) About Me 

Question 972785: x/9+y/3=2x-3y+3=0
Click here to see answer by josgarithmetic(39617) About Me 

Question 972780: x/9+y/3=2x-3y+3=0
Click here to see answer by josgarithmetic(39617) About Me 

Question 972935: if the slope of a line is 3/2x-1 then how do you make it a linear function?
Click here to see answer by Alan3354(69443) About Me 

Question 972941: The cost of leasing a new Ferrari is $2,311 for a down payment and processing fee plus $276 per month.For how many months can you lease this car with $10,000?
Click here to see answer by macston(5194) About Me 

Question 972971: An item that sells for $145.99 has a sales tax of 10.22
Find a mathematical model that gives the amount of sales tax y in terms of the retail price x
Use the model to find the sales tax on a purchase that has a retail price x

Click here to see answer by macston(5194) About Me 

Question 973051: What is the slope of these points: (2,6) and (-4,-5)
Click here to see answer by macston(5194) About Me 

Question 973089: Find the slope and y intercept of the line: 7x-12y=84
Click here to see answer by rfer(16322) About Me 

Question 973134: how can i find the slope intercept form of 2/3 passing through (4,-6)? How will I write the equation?
Click here to see answer by Boreal(15235) About Me 

Question 973212: For the line –2x+9y=6, find
(a) the slope (b) the y-intercept
(c) the x-intercept
If f(x)=8x-4, find f(c)

Find an equation of the line with the given slope
and passing through the given point: With slope 1 and point (–2, –2)
Determine whether the following pairs of lines are
parallel:(b) 3x+2y=13 and 2x-3y=28
Find the x- and y-intercepts of the line8x+
8x+6y=24 and sketch its graph.
Set x=0
The Medicare Hospital Insurance Fund pays for
some hospital services for those in the Medicare
program. Based on income and disbursements during
1990 –2003, the linear trends for the fund’s income
and disbursements are:
where x=number of years since 1990 and
y=billions of dollars.
(a) Find the intersection of these trends.
(b) Based on the linear trends, when will the
fund’s disbursements exceed income?

Click here to see answer by Boreal(15235) About Me 

Question 973231: Which choice is the equation of a line that passes through the origin and is parallel to the line represented by this equation? 4x- y=-8
Click here to see answer by Boreal(15235) About Me 

Question 973261: What is the x and y intercept of 3x+6
Is 2,1 a solution to the system y=2x-3
Y=-x+3

Click here to see answer by Boreal(15235) About Me 

Question 958382: Needing help with American School Algebra 1 my last three exams 9 10 and 11 can trade other courses as well. thanks Need to graduate before October so in a hurry!!!

Please message me and we can help each other! I need to graduate by September! berrymorerachel @ gmail. com without the spaces is my email!

Click here to see answer by berrymorerachel(1) About Me 

Question 973324: please help me solve this i do not understand how to solve since there is no x or y.
solve each system graphically.
t+3s=-1
s=t+9

Click here to see answer by josgarithmetic(39617) About Me 

Question 973343: 2y=3x+7
find the gradients

Click here to see answer by macston(5194) About Me 

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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 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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