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

Tutors Answer Your Questions about Inequalities (FREE)

Question 460566: Can anyone help me determine whether the ordered pair is a solution of the inequalty?
(2,11); 3y-4x>5
Click here to see answer by rfer(12662)

Question 460566: Can anyone help me determine whether the ordered pair is a solution of the inequalty?
(2,11); 3y-4x>5
Click here to see answer by solver91311(16897)

Question 460563: Can someone help me deterime whether the given numbers are solutions of the inequality?
0, -12, -10, -2
y - 9 > 2y - 4
Is 0 a solution?
Is -12 a solution?
Is -10 a solution?
Is -2 a solution?
Click here to see answer by sudhanshu_kmr(1152)

Question 460630: This is a tough one for me, can someone help me solve using set-builder notation to describe the complete solution?
3[5m -(m+4)] > - 8(m-2)
The solution i {m m ___ ___}
Click here to see answer by edjones(7569)

Question 460644: Can someone help me write interval notation for the sex {x -2>x< - 5}?
Which would be the correct interval notation?:
(-5, -2]
[-5, -2)
(-5,-2)
{-5,-2]
Click here to see answer by MathLover1(6634)

Question 460794: can someone please help me find the inequality for 8+x>3+4 and show how you got the answer.
Click here to see answer by bucky(2189)

Question 460827: How would I solve the following????
-6 < = 3+x<4

Thanks

Click here to see answer by rwm(914)

Question 460861: please prove..
if a>b then a^3>b^3
Click here to see answer by MathLover1(6634)

Question 461094: 4. Subtract.
(-3x2 + 9x4 - 8 - 5x3) - (-4 - 3x3 + 4x4 + 8x2)

Click here to see answer by rfer(12662)

Question 461093: 3. Add.
(8x + 8) + (6x - 4)

Click here to see answer by rfer(12662)

Question 461091: cd2 + 6a2c2 - 8cd2 + a2c2 simplify I need help please
Click here to see answer by rfer(12662)

Question 461101: 10. Multiply.
(x + 11)(x - 11)

Click here to see answer by rfer(12662)

Question 461095: 5. Evaluate.
x0, x ≠ 0

Click here to see answer by richard1234(5390)

Question 461102: 11. Multiply.
(5p + 4)(5p - 4)

Click here to see answer by richard1234(5390)

Question 461103: 12. Multiply.

Click here to see answer by rwm(914)

Question 461100: 9. Multiply.

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Question 461099: 8. Multiply.

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Question 461098: 7. Multiply.

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Question 460497: 1.Use elimination to solve:

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Question 460499: 1. Determine whether the system has one solution, no solution, or infinitely many solutions\
Click here to see answer by rwm(914)

Question 460495: 1. Find the solution of the system:
Click here to see answer by rwm(914)

Question 460493: 1.Use elimination to solve:6x-y/4=-9
Click here to see answer by rwm(914)

Question 460491: 1.solve the system of linear equations by graphing:
Click here to see answer by rwm(914)

Question 461303: which system of equations is shown in the graph?
A.y=x+2 and y=1/2x1
B.y=x+2 and y=-1/2x-1
c.y=x-2 and y=-1/2x-1
d.y=x1/2 and y=x+2
Click here to see answer by solver91311(16897)

Question 461401: Can someone help me solve using the addition and multiplication principles? Teh solution set is {x x ___ ___}
2 +5x < 42
Click here to see answer by solver91311(16897)

Question 461400: Can someone help me solve the compound inequality?
4 > - 3x + 3 or 6 ≤ -3x + 2
Click here to see answer by MathLover1(6634)

Question 461445: 12x-3x+11 greater than 4x-(17-9x) answer x is less than 7 ?
Click here to see answer by tinbar(128)

Question 461445: 12x-3x+11 greater than 4x-(17-9x) answer x is less than 7 ?
Click here to see answer by rwm(914)

Question 461590: if a and b are two distinct non-negative numbers, prove that a^4+b^4>ab(a^2+b^2)
Click here to see answer by robertb(4012)

Question 461593: prove that for x,y,z>=0, x^2+y^2+z^2>=xy+yz+zx
Click here to see answer by robertb(4012)

Question 461716: 3x^3 – 48xy^2 Solve
Click here to see answer by rwm(914)

Question 461714: 16x^2 – 25 Solve
Click here to see answer by solver91311(16897)

Question 461719: 2x^2 + 40x + 200 Solve
Click here to see answer by rwm(914)

Question 461719: 2x^2 + 40x + 200 Solve
Click here to see answer by solver91311(16897)

Question 461717: 15x^2 + 7x – 2 Solve
Click here to see answer by rwm(914)

Question 461731: Factor each problem completely. Remember to place the Greastest Common Factor, if it’s other than 1, outside parentheses first.
2x^2 + 40x + 200
Click here to see answer by solver91311(16897)

Question 461725: Factor each problem completely. Remember to place the Greastest Common Factor, if it’s other than 1, outside parentheses first.
16x^2 – 25
Click here to see answer by solver91311(16897)

Question 461737: Solve each problem for x:
#6 (x – 3)(2x – 7) = 0

Click here to see answer by rwm(914)

Question 461746: x2 – 9 = 0 Solve for X
Click here to see answer by rwm(914)

Question 461743: x^2 + 6 = -5x Solve for X
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Question 461742: x^2 + 6x – 27 = 0 solve for X
Click here to see answer by rwm(914)

Question 461826: Please help me with this problem -7≤4x-2≤-1 I have tried very hard to work on it but I do not understand it. Thank you for your time.
Click here to see answer by jim_thompson5910(28595)

Question 461595: if a,b,c,d > 0 and abcd=1, prove that (1+a)(1+b)(1+c)(1+d) >= 2^4
Click here to see answer by robertb(4012)

Question 461906: if y=2x+3 and x*y<0 then what is the range of x?
Click here to see answer by robertb(4012)

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