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

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Algebra: Linear Equations, Graphs, Slope

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Question 69962: Find the slope & the y-intercept of the line with the given equation
y=5x-7
y=3
Please help me with this problem
Thanks
Click here to see answer by josmiceli(3021)

Question 69964: Write the equation of the line using this information
a ) slope=2, y-intercept 0
b) slope 6, passing through (-4,7)
please help me with this equation
Thanks
Click here to see answer by bucky(1732)

Question 69971: solve the system by graphing
x - y = -3
x - y = 4
Click here to see answer by checkley75(3666)

Question 70031: A fruit salad is made up of canteloupe, strawberries and banannas. If a salad weighing 135 oz. contains 3oz of banannas for every 1oz of strawberries and has the same number of oz. of cantaloupe as strawberries, how many oz. of banannas are in the salad?

Thanks!
Click here to see answer by ptaylor(1580)

Question 70051: A roof rises 9.75 ft over a horizontal distance of 17.24 ft. What is the slope of the roof to the nearest hundredth
Thanks.
Click here to see answer by ankor@dixie-net.com(6707)

Question 70048: Determine which two equations represent perpendicular lines.

A) (b) and (c) B) (c) and (d) C) (a) and (b) D) (a) and (d)
Thanks
Click here to see answer by rapaljer(3631)

Question 70047: Find the y-intercept.
–x + 3y = 15
Thanks.
Click here to see answer by rapaljer(3631)

Question 70046: Determine which two equations represent parallel lines.
(a) y = x + 4
(b) y = x – 7
(c) y = 2x + 8 (d) y = 2x – 4
Thanks.
Click here to see answer by rapaljer(3631)

Question 70037: Is it possible to have 4 or 5 varables in algebra? if so how far can you go?
Click here to see answer by rapaljer(3631)

Question 70049: Write the equation of the line passing through (4, 4) and (4, 2).
A) y = 4 B) y = –2x C) x = 4 D) y = x + 4

Click here to see answer by hailu(13)

Question 70069: find the slope
-7x + 2y =2
Click here to see answer by stanbon(26367)

Question 70050: Write the equation of the line which has y-intercept (0, 5) and is perpendicular to the line with equation y = –3x + 1.
A) y = 3x + 5 B) y = – x + 5 C) y = x + 5 D) y = –3x + 5

Click here to see answer by bucky(1732)

Question 70077: Please help with this question, I have posted it several times
Please give me an example in an equatin of an integer that is not a natural number
Please give me an example in an equation of a real number that is not a rational number
Thanks
Click here to see answer by jim_thompson5910(13810)

Question 70078: Please help me solve this, I have posted it several times.
Determine if the ordered pair is a solution of the equation
3x-y=12 (0,4) (4,0) (-1, 15)
Please help me out on this
Thanks
Click here to see answer by jim_thompson5910(13810)

Question 70081: Please help me out on this problem.
Determine whether each ordered pair is a solution of the system
(1,-5)
4x-4=9
2x+3y=-13

Click here to see answer by bucky(1732)

Question 70098: Solve the system by graphing.
x – y = –3
x – y = 4

Click here to see answer by rmromero(383)

Question 70118: For what value of k does the line kx+7y=10 have a slope of 3
Click here to see answer by funmath(2873)

Question 70118: For what value of k does the line kx+7y=10 have a slope of 3
Click here to see answer by ptaylor(1580)

Question 70160This question is from textbook
: after 2 minutes on a treadmill jenny has a heart raete of 86. after 3 minutes she has a heart rate of 86. assume that there is a linear equation that gives her heart rate h in the terms of time on the treadmill t. Find the equation and use it to find her heart rate after 10 minutes on the treadmill.This question is from textbook

Click here to see answer by stanbon(26367)

Question 70157This question is from textbook

: 1. Please help me solve these equations;
a). 8x - (3x - 5) = 40
b). 7(3x + 6) = 11 - (x + 2)
c). -7 + 9x = 9x - 7
d). 5x + 3 = 11 - 4x + xThis question is from textbook

Click here to see answer by stanbon(26367)

Question 70079: Use intercepts to graph each equation
2x+4=4
3x-6=y
Please help me on this I dont understand it.
Thanks
Click here to see answer by checkley75(3666)

Question 70168: Determine whether each ordered pair is a solution of the system
(-5,2)
2x+3y=-4
x-4y=-10
Please help me out on this
Thanks
Click here to see answer by jim_thompson5910(13810)

Question 70165: Please help me solve this I have posted it several times.
Use intercepts to graph each equation
a 2x+4=4
b 3x-6=y
Please help me with this
Thanks
Click here to see answer by stanbon(26367)

Question 70225: I'm stuck on this one: 1/8n+6=-5/8n-16
Thank you.
Click here to see answer by jim_thompson5910(13810)

Question 70228: after 2 minutes on a treadmill jenny has a heart raete of 84. after 3 minutes she has a heart rate of 86. assume that there is a linear equation that gives her heart rate h in the terms of time on the treadmill t. Find the equation and use it to find her heart rate after 10 minutes on the treadmill
Click here to see answer by Earlsdon(4900)

Question 70231: find slope and y-intercept
y = 5x- 4
Click here to see answer by jim_thompson5910(13810)

Question 70284: Please help me out with these equations, I dont understand how
to do them. I have posted these questions several times.
Thank you
a 3x+4y=-8
b 2x+3y=-3
d 4x+y=5
e 12x+3y=15
Click here to see answer by checkley75(3666)

Question 70285: I have posted these problems several times. please help me
Solve each system by graphing
a x+y=2
b x-y=6
c x+2y=2
d y=x-5
Please help
Click here to see answer by checkley75(3666)

Question 70292This question is from textbook Algerba1
: (2,y),(4,5),m=2This question is from textbook Algerba1

Click here to see answer by checkley75(3666)

Question 70232: find the slope
-7x + 2y = 2
Click here to see answer by checkley75(3666)

Question 70283: Please help me with graphing these problems.
I do not understand how to do this.
a y>-2
b y>2x-2
c 4x-6y<12
Thanks
Click here to see answer by bucky(1732)

Question 70290: Please help me out with this graphing problem.
I have posted this problem several times.
a y>-2
b y>2x-2
c 4x-6y<12
Please help me with this graphing problem.
Thanks
Click here to see answer by stanbon(26367)

Question 70166: Graph each inequality
Please help me on this problem
a y>-2
b y>2x-2
c 4x-6y<12
I need you to show me how you graph this
Thanks
Click here to see answer by ankor@dixie-net.com(6707)

Question 70233: solve the system by graphing
3x - y = 1
3x - y = 2
Click here to see answer by checkley75(3666)

Question 70325: The question asks to graph the linear inequalities. Then write three ordered pairs that are solutions to the inequality.
5x-6y> 18
(or equal to)
I subtracted 5x from each side so I would have -6y> -5x+18
(or equal to)
Then I divided by -6y from each side but I don't know what to do now
Click here to see answer by stanbon(26367)

Question 70332This question is from textbook
: Write the standard form of an equation of the line that passes through each pair of points:
(-5,7), (0,1/2)This question is from textbook

Click here to see answer by funmath(2873)

Question 70430: word problem.
The sum of twice one number and three times another is 41. If the second is subtracted from the first, the diference is 8. what are the numbers ?
Click here to see answer by checkley75(3666)

Question 70465: Ashlynn was asked to graph the equation 4x+5y=-20
What are the slope and y-intercept of the equation?
Create a coordinate plane and label the axes.Draw the line of the equation 4x+5y=-20 using the slope and y-intercept.
Click here to see answer by checkley75(3666)

Question 70467: Jenalysa was asked to graph the equation 3x+y=-4
A Create a table with 4 ordered pairs that are on the line of the equation.
B.Create a coordinate plane and label the axes.Graph the equation 3x+y=-4 using the ordered pairs from the table.
C.What are the slope and y-intercept of the line?
Click here to see answer by checkley75(3666)

Question 70485: you have a mayor that 55%of the people would vote for and he lose 2% a month and the chalanger is support by 30% of the people and he gains 3% a month in what month would they be equal
Click here to see answer by checkley75(3666)

Question 70506: 1) y=x
y=-x
2)y=-x
y=x+9
i have 12 problems just like this, and the instuctions
in the book i dont get. pleezzz help thank you
Click here to see answer by checkley75(3666)

Question 70506: 1) y=x
y=-x
2)y=-x
y=x+9
i have 12 problems just like this, and the instuctions
in the book i dont get. pleezzz help thank you
Click here to see answer by madmaths(2)

Question 70506: 1) y=x
y=-x
2)y=-x
y=x+9
i have 12 problems just like this, and the instuctions
in the book i dont get. pleezzz help thank you
Click here to see answer by pleasuretohelp(9)

Question 70471: Write an equation of the line containing the specified point (-3,7) and perpendicular to the indicated line y=5
Click here to see answer by piglet162431(90)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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