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

Tutors Answer Your Questions about Inequalities (FREE)

Question 377870: 7 over 9 plus 2 over 5
Click here to see answer by rfer(12644)

Question 377721: 1. x+2>-12
2. x-5<-6
3. -2x<-6
4. 6-x<=-7
5. -x-3<-3
Solve The Inequalitys
Click here to see answer by nyc_function(2733)

Question 378101: Solve the inequality [(x - 4)^3] / [x(x + 3)] is less than or equal to 0
Click here to see answer by Fombitz(13828)

Question 378306: The graph of the linear inequality y≤-2/3x+2 is the region of _______ the graph of y=-2/3x+2
fill in the black
A. above
B. below
C. on or above
D. on or below
Click here to see answer by ewatrrr(10682)

Question 378402: im having trouble solving the equation -4b-6+20b-3
Click here to see answer by stanbon(57214)

Question 379036: sketch a graph with a polynomial of degree 3 with a negative leading coefficient and 2 x intercepts. thank you so much!
Click here to see answer by Fombitz(13828)

Question 379041: solve for x. 1-x = x+5 BUT the first part (1-x) is underneath a square root sign. thank you so much!
Click here to see answer by Fombitz(13828)

Question 379081: write a polynomial in compelete factored form that has a degree of 4, leading coefficient of -3, and zeros at 1,2, and -i and f(0)=8. also, find the expanded form please!
Click here to see answer by Fombitz(13828)

Question 379079: use the function f(x)= -3(x-3)(x+3)(x-2) to find the x intercepts, the leading coefficient and then draw a sketch of the graph of f(x). thank you so much!
Click here to see answer by Fombitz(13828)

Question 379205: solve x-4/7<_2 It is suppose to say less than or equal to 2
Click here to see answer by stanbon(57214)

Question 379229: How do you do -15g>75 using multi step inequalities ?
Click here to see answer by Alan3354(30955)

Question 379366: x - 8 > - 5(x+3) what is the solution using set builder notation?
Click here to see answer by edjones(7569)

Question 379436: 4(x+10)>12
Click here to see answer by jim_thompson5910(28476)

Question 379500: Solve the inequality algebraically. Write answer in interval notation.
3(1-x)+3≥2(x+1)-2
Click here to see answer by Fombitz(13828)

Question 379616: 1. Find the slope of the line x = -3.
Click here to see answer by Fombitz(13828)

Question 379619: 11. Determine the relationship between the two lines. 2x - y = -10 2x + 4y = 2

A.
They are parallel.

B.
They are perpendicular.

C.
They are neither parallel nor perpendicular.

Click here to see answer by Fombitz(13828)

Question 379621:
14. Find the slope of the line y - 9 = 0.

A.
undefined

B.
-1/9

C.
0

D.
9

Click here to see answer by stanbon(57214)

Question 379676: (4/5)x>(2/5)
Click here to see answer by fractalier(2101)

Question 380313: z-6.68<_ 7.47
Click here to see answer by ewatrrr(10682)

Question 380428: 5>-2x+4 or 8≤-4x+3 Solve the compound inequality?
Click here to see answer by mananth(12270)

Question 380427: -9≤4x-4≤-3 Help solving?
Click here to see answer by stanbon(57214)

Question 380484: how do i solve this inequality if it is not in standard form?
x2+4x>0
Click here to see answer by Fombitz(13828)

Question 380627: how do you solve this equation x-2/x-13 is less than or equal to 0
Click here to see answer by Fombitz(13828)

Question 380630: The total profit function P(x) for a company producing x thousand units is given by
P(x) = -3x2 + 60x - 225.
Find the values of x for which the company makes a profit
Click here to see answer by stanbon(57214)

Question 380953: 1) The sum of two numbers is 89. Their difference is 13. What are the two numbers?
Pls indicate the representation,the equation,solution,checking and the cheking.
Thank you!
Click here to see answer by mananth(12270)

Question 380964: find an equation of the line containing the given pair of points
(-7, -6) and (-4, -8)
the equation of the line in slope-intercept form is y=?
Click here to see answer by ewatrrr(10682)

Question 381045: How do you solve inequalities
Click here to see answer by Jk22(389)

Question 381213: Would greatly appreciate help! I need to graph the following system of linear equations:
2x-5y_<10
3x-2y<6
Please note that the underscore denotes =, so it is "less than or equal to" the given number.

Here is what I have so far:
I have set each equation with an equal sign and worked out my x-intercept and y-intercept coordinates like this:
LINE 1
2x-5y=10
2x-5*0=10
2x=10
10/2
x=5
sooo...x coordinates are (5,0)
Now for y...
2*0-5y=10
-5y=10
10/-5
y=-2
sooo... y coordinates are (0,-2)
That takes care of the line for the first equation. Now for the second line denoted by the second equation:
3x-2y=6
To get x-intercept:
3x-2*0=6
3x=6
6/3
x=2
sooo... x coordinates are (2,0)
Now for y...
3*0-2y=6
-2y=6
6/-2
y=-3
sooo.. y coordinates are (0,-3)
In the original system of equations, line 1 should be a solid line because it is included in the equation, and line 2 would be a dashed line because it is NOT included in the equation.
When I plotted these coordinates on my graph, it differed from the answer in the textbook. The book shows an open dot at (0,0.5) with a dashed line and a solid line radiating in positive directions from the open dot-not like my answer at all! Could someone please set me straight?! Thank you!!

Click here to see answer by jim_thompson5910(28476)

Question 381314: -4|8-5n|=13
Click here to see answer by richard1234(5390)

Question 381376: -8>5-v
Click here to see answer by mananth(12270)

Question 381733: 2+3x<(1/2)x
How do you solve for the problem above
Click here to see answer by stanbon(57214)

Question 381910: i need help with these type of problems: 0 < x + 3 < 6

Click here to see answer by stanbon(57214)

Question 381936: 2. The slope and y-intercept of the line f(x) = -1/4x are m is undefined and b = 0.
True or false?
Click here to see answer by stanbon(57214)

Question 382028: If s>t then is the inequality s±15>t±15 true?
Click here to see answer by Fombitz(13828)

Question 382193: how can you make this more easier
Click here to see answer by stanbon(57214)

Question 382650: Company A charges $25 per month plus $0.22 per minute for cell phone service. Company B charges $35 per month plus $0.12 per minute. How many minutes of usage is needed in one month to make Company B a better deal?
Click here to see answer by rfer(12644)

Question 382995: -3x < 24 i tryd four different ways to find out the answer and still cant seem to get it right.
Click here to see answer by stanbon(57214)

Question 383052: Please help me sove this equation -w+42=231
Click here to see answer by stanbon(57214)

Question 383238: A regular train travels at 60mph while a highspeed train travels at 90mph. It takes the regular train 2.5 hours longer to get to the next stop than the highspeed train. How long does it take for both trains to arrive at the next stop.
Click here to see answer by ankor@dixie-net.com(15623)

Question 383493: PLEASE HELP!
I have solved this one but something looks wrong.
Determine whether these numbers are solutions of the inequality :
x-1 (greater then or equal to) 7; -5,1,4,20
I substituted -5,1,4,20 for x in the inequality and solved accordingly.
I found there was NO solution for any of the numbers. Am I wrong and thank you.
Click here to see answer by Theo(3458)

Question 383411: Twenty less than a number is at least 15.
Click here to see answer by Fombitz(13828)

Question 383401: Solve the inequality. Give solution sets in interval notation.
(5-x)/(x+2)>0
Click here to see answer by Fombitz(13828)

Question 383777: Negative four times the difference of six and a number is at least seven times the number. Evaluate this problem for values of the number.
Click here to see answer by rfer(12644)

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