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

Tutors Answer Your Questions about Inequalities (FREE)

Question 330816: Please tell me which system of inequalities would have all of quadrant 3 as it's solution set? It it a.y>0 and x>0, b. y<0 and x<0 c. y>0 or x<0 d. x=y Thank U
Click here to see answer by Fombitz(13828)

Question 330857: x2 - 8x + 16 >= 0
I got x=4 as the answer but I keep getting told it wrong. I could use help trying to figure out the right answer.

A for no x
B x <= 4
C -4 <= x <= 4
D x = 4
E 2 <= x <= 8
F for all x

Click here to see answer by Fombitz(13828)

Question 330853: I seem to be having some trouble with inequalities.
Its a really simple problem but I keep finding no solution I could really use some help.
x2 - 9 > 0
A x < -3 or x > 3
B -3 < x < 3
C x < -3 or x > 2
D-3 < x < 2
E -2 < x < 4.5
F for all x
Click here to see answer by Fombitz(13828)

Question 330861: x2 + 3x - 20 >= 3x + 5
I keep finding no solution for this problem I could really use some help finding the right answer.
A for no x
B x > 5
C x < -5
D x = 3
E x<= -5 or x >= 5
F for all x
Click here to see answer by Alan3354(30993)

Question 330953: I really need your help with this equality:
3|-7x|+8< 50
Click here to see answer by jrfrunner(365)

Question 331259: -3x^2+7x=0
Click here to see answer by mathmandotcom(31)

Question 331231: How do I solve this? I have no idea where to begin....
e^2 + k^4 +a^3^2
Click here to see answer by Alan3354(30993)

Question 332016: -3<2x+1<5
Click here to see answer by jim_thompson5910(28595)

Question 331987: Express the set in set-builder notation
D = {5, 10, 15, 20,... }
Click here to see answer by user_dude2008(1861)

Question 332083: Solve the inequality 3-x<2
Click here to see answer by jim_thompson5910(28595)

Question 332085: Solve the inequality 5-3(10-7a)>4(2a+10)
Click here to see answer by jim_thompson5910(28595)

Question 332214: x-7>-8
Click here to see answer by mananth(12270)

Question 332282: Transform the absolute value equation into two linear equations |x+2|=7
Click here to see answer by edjones(7569)

Question 332675: 2(x+6)
Click here to see answer by rfer(12662)

Question 332764: Can you please help me with this and show me the steps.

-2x+4<22
Click here to see answer by barbiebig50(1)

Question 332858: A salesperson is paid $22,000 a year plus 5% of the amount of sales made. What is the amount of sales needed to have an annual income greater than $35,000?
Click here to see answer by benazir.sj@gmail.com(109)

Question 332886: how do you solve this inequality -2x-8<-6
Click here to see answer by benazir.sj@gmail.com(109)

Question 332905: i need help with learning how to solve this
x-5
- ----- > 9
3
Click here to see answer by solver91311(16897)

Question 332899: How Do You Solve This 4|x-2|+20=-12
Click here to see answer by benazir.sj@gmail.com(109)

Question 332987: At 10:30am two planes leave Houston, one flying east at 560km/h and the other flying west at 640km/h. At what time will they be 2100km apart?
Click here to see answer by mananth(12270)

Question 333286: -n+2-4n>7
Click here to see answer by mananth(12270)

Question 333286: -n+2-4n>7
Click here to see answer by unlockmath(1602)

Question 333322: I am having issues figuring this out because there is no symbol. Any help, and an explanation if possible, would be greatly appreciated.
SOLVE THE RATIONAL INEQUALITY

I SINCERELY appreciate your time!
Click here to see answer by nnhs108(1)

Question 333421: Solve the following inequalitity
1) x(x+6)> 27
-
Click here to see answer by josmiceli(9686)

Question 333602: Please help me solve this equation: 12x-3x+11>4x-(17-9x).
So far I could only do the first step in which I combined like terms: 9x+11>4x-(17-9x).
Thank you for your time!!!
Click here to see answer by Alan3354(30993)

Question 333597: -22≤4x-9≤-8 thank you in advance
Click here to see answer by jim_thompson5910(28595)

Question 334067: I need help with this inequality. Can you please solve this for me:
2x+1<(1-x)/3
Click here to see answer by mananth(12270)

Question 334150: 2/3 (2x-1)>10
Click here to see answer by solver91311(16897)

Question 334149: 0.6x + 1 < 1.0x - 2
Click here to see answer by solver91311(16897)

Question 334291: Find the slope, if it exists of the line containing the pair of points.
(-7,-16) and (-15, -19)
Click here to see answer by solver91311(16897)

Question 334292: Solve using the multiplication principle.
-4x>1/11
Click here to see answer by unlockmath(1602)

Question 334339: 2x-7-(x-5)=0
Click here to see answer by rfer(12662)

Question 334386: how would I solve
20-4/5x_>16
20 minus 4 5ths x is greater than or equal to 16
Click here to see answer by rfer(12662)

Question 334386: how would I solve
20-4/5x_>16
20 minus 4 5ths x is greater than or equal to 16
Click here to see answer by MathTherapy(1425)

Question 334454: please solve the rational inequality. express answer in interval notation.

Click here to see answer by mananth(12270)

Question 334532: How do I solve the inequality:
19 - 8c>3
?
Thx!
Click here to see answer by jim_thompson5910(28595)

Question 334555: Find all the values of x satisfying the given conditions.
Y1=13x-4, Y2=5x+10 and Y1 exceeds Y2 by 2.
Click here to see answer by Fombitz(13828)

Question 334718: How do you work this problem out... 3(9z + 4)> 35z - 4
Click here to see answer by stanbon(57377)

Question 334826: Evaluate the expression:
1/.5 + 1/6
I have - 24/12 + 2/6 = 26/12 = 2 1/6

Click here to see answer by Fombitz(13828)

Question 334847: Please solve the provided inequality. express your answer in inequality,graphical, as well as interval formats
and
Click here to see answer by Fombitz(13828)

Question 334802: use the addition and multiplication principles 6-9y-9y <132
Click here to see answer by rfer(12662)

Question 334952: SOLVE THE LINEAR INEQUALITY FOR THE GIVEN VARIABLE. SIMPLIFY YOUR SOLUTION AND USE ALGEBRAIC NOTATION TO ENTER IN THE BOX.
CONSIDER THE FOLLOWING INEQUALITY:
-17 < - 3/2x - 5 < - 2

Click here to see answer by solver91311(16897)

Question 334957: Solve the linear inequality for the given variable. Simplify your solution and use algebraic notation.
Consider the following inequality:
-15< 3/2y - 3 < 3
Click here to see answer by solver91311(16897)

Question 334696: There are 88 keys on a new piano. If there are 12 pianos in a room of twelve broken pianos, which some may have broken keys, how many piano keys could be on the pianos? Write and Solve and inequality to answer the question.
Click here to see answer by nyc_function(2733)

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