Questions on Algebra: Inequalities, trichotomy answered by real tutors!

Tutors Answer Your Questions about Inequalities (FREE)

Question 9496: Why does an inequality reverse when you multiply or divide an inequality by a negative number?
Click here to see answer by rapaljer(4671)

Question 9116: I got this summer packet and I can't seem to get this answer. Can you please help me get it step by step so that I could learn for the future how to do it? The inequality that I can't solve is: 2
Click here to see answer by rapaljer(4671)

Question 9720: -4<2x-2<-10
is this a false inequality?
Click here to see answer by askmemath(368)

Question 10239: in the inequality p/5<8, I come up with 40, but 40/5 is not less than 8. Please help.
Click here to see answer by rapaljer(4671)

Question 10730: I can't solve this one inequality. Can someone please explain it to me and help????????? My teacher works at a high pace and I can never understand anything she does.
9x-99 is more than or equal to 18x. ????????? : (
Thankyou.
Click here to see answer by Earlsdon(6294)

Question 10833: Can you help me with this problem? I've tried working it myself and I'm not coming up with the answer the back of my book shows:
5x-1 over 3 < 2x+1 over 6
The answer in the back of my book shows x<3/8 (x is less than three eighths)
How do they come up with this answer? Any guidance is greatly appreciated. Thank you in advance!
Click here to see answer by mike toye(2)

Question 10879: I don't understand how to solve this problem may you help me please
3d>9
Click here to see answer by MArk_HeRras(6)

Question 11114: 6r=10r-r-3r Please help me.
Click here to see answer by roxy9229(32)

Question 11155: How do you solve and graph inequality problems? For example: m - 4 <28
Click here to see answer by roxy9229(32)

Question 11991: 3w - 5 + 4w < 5 - w + 11
Click here to see answer by rahman(247)

Question 12261: how do u solve d/8>3
Click here to see answer by elima(1433)

Question 12261: how do u solve d/8>3
Click here to see answer by Matts_baby(1)

Question 12352: how am I to solve an inequality of this type(x+2)(x+2)/(x+1)<0 using cases
Click here to see answer by khwang(438)

Question 12596: please help me solve this inequality: (x+2)(x-1)(x-3)<= 0
Click here to see answer by rapaljer(4671)

Question 12571: s/6<1
Click here to see answer by longjonsilver(2297)

Question 12694: help me. I am the mother and cannot figure this out. What is 12 - x = 8?
My husband and I come up with -4 but that would equal 16.
Click here to see answer by AdolphousC(70)

Question 12856: Please help solve this inequality.
-20 > -5c
Click here to see answer by gina(6)

Question 13242: SOLVE THE INEQUALITY FOR X, WRITE THE ANSWER IN SET BUILDER NOTATION AND GRAPH THE SOLUTION ON A NUMBER LINE.
I usually do okay with inequalities but this one is throwing me off. I am not sure what to do with the -x/3? Here is the problem. I appreciate any help you can offer.
-x/3+4>5
-x/3+4-4>5-4 Thats as far as I got.
Click here to see answer by bam878s(77)

Question 13461: This is about factoring.
With this problem I had to factor out the greatest common factor, then factor the remaining polynomial if possible: then check it.
so here's the problem
4x^2 + 16x - 84
can you help me with this one
Click here to see answer by Earlsdon(6294)

Question 13534: can someone help me out with this problem I have to factor complete. I have been working on this all day and I can not figure it out. help me please.
the problem is
14x^2 - 17 -6
Click here to see answer by Earlsdon(6294)

Question 13560: I'm having trouble with this question: solve for X
7 - 2(x-4)< 5(1-2X)
Click here to see answer by rahman(247)

Question 13977: -2(3x+2)<18

Click here to see answer by longjonsilver(2297)

Question 14052: THE SECTION IS CALLED TWO VARIABLE INQUALITEIS
I WANT TO KNOW
HOW WOULD YOU GRAPH

Y=[4X+2]
Click here to see answer by elima(1433)

Question 14138: Hi Tutors:
I am so lost over this one. Please help me:
Find the intersection point (if there is one) and graph shading the appropriate areas:
x+y >=0 and 2x+y<=4
Click here to see answer by longjonsilver(2297)

Question 14278: I've been learning how to solve quadratic inequalties at school recently. I have no problems with them. But I am not sure how quadratic inequalities with a negative x^2 will be solved. i've been taught to use the graphical method of solving them. any help?
e.g.
y<-x^2+3x-8
y>-2x^2-7x+3
Click here to see answer by longjonsilver(2297)

Question 14358: 4(y+1)-3(y-5)is greater than or equal to 3(y-1)
i don't understand how my teacher it gets the correct answer she won't explain it to me. please help.
Click here to see answer by elima(1433)

Question 14820: please help solve the inquality. -3+x<10 we need to find a solution.
we need to enter a soulition as an inquality comparing the variable to the solution. ive had help in pretty much basic math , and now im doing on line schooling. This is very hard for me , so if you can help me understand in any way, I would appriciate anything you could do for me. Thank You Zach,mom and dad also.
Click here to see answer by elima(1433)

Question 14217: what is the inequalaties of 7-(3x+2)-6x>4
Click here to see answer by rahman(247)

Question 15140: hannah is bringing watermelons to a picnic. She needs to bring at least one watermelon for every ten people who attend. Write an inequality to show the least amount of watermelons (w) that Hannah needs to bring if there will be (p) people at the picnic. how many watermelons should Hannah bring for 64 people?
Click here to see answer by ShadowyLove(2)

Question 15348: Can you please tell me where I am going wrong. I'm going to give the problem and attempt to solve it.
Solve for x : X^2 + 5x-14=0

x^2+5x=14
I get stuck after this point. I'm not sure if I should factor or which way to go. Please help me.
Click here to see answer by Earlsdon(6294)

Question 15863: What rules are similar in solving inequalities and equations? What are the differences?
Click here to see answer by rapaljer(4671)

Question 16190: -7n-10=4
Click here to see answer by elima(1433)

Question 16189: -7n-10=4
Click here to see answer by elima(1433)

Question 16301: n+-2c=9
Click here to see answer by rapaljer(4671)

Question 16331: Write an inequality that has no solution.
Click here to see answer by rapaljer(4671)

Question 16416: Hello, I am in Algebra I and I don't understand it very well. Maybe you can help me. My question is : 8(x-y)+5(3x-3y)
Click here to see answer by rahman(247)

Question 16524: how do you solve this problem?
5-3(x+1)=5
Click here to see answer by rahman(247)

Question 16585: ax=c-x
Click here to see answer by rapaljer(4671)

Question 16510: Xa (insert operator here) Xb which operator cannot be true?
operator options: < > =
Click here to see answer by piglet162431(90)

Question 17345: What is (i)^42.....is it (-1)?
Click here to see answer by venugopalramana(3286)

Question 17647: {x-2}<1
Click here to see answer by whisper(27)

Question 17912: A markup rate of 40% was used on a basketball with a selling price of $82.60. Find the cost of the basketball
Click here to see answer by whisper(27)

Question 17908: how would you graph x is greater than 45
Click here to see answer by pvrbrahmam(12)

Question 18402: I've just stared on inequalities I need help on this :x-4-2(x+4)<0. Thank you!

Click here to see answer by MelanieBCC(40)

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, 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