Algebra Practice Question and Answer
8 4 Q:
64660a6b0827e80a9f9a8cbf 4 Q:
5f1e9da626299776aa421043 4 Q:
64ba71a62d3130f575436434 4 Q:
6409cf73a37bb1a5e16e1b62 4 Q:
6447959fdf70e0688c8264bb 4 Q:
6409ca61df653d9ac22bc376 4 Q:
63861340a72dd915f318247d 4 Q:
64ad3686b3b647c4eaaae23e Answer : 3. "
Q: If x = z = 225 and y = 226 then the value of : x3 + y3 + z3 – 3xyz is
879 064660a6b0827e80a9f9a8cbf
64660a6b0827e80a9f9a8cbf- 1765false
- 2676true
- 3576false
- 4674false
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Answer : 2. "676 "
Q: If a ≠ b, then which of the following statement is true ?
876 05f1e9da626299776aa421043
5f1e9da626299776aa421043- 1$${a+b\over 2}= \sqrt{ab} $$false
- 2$${a+b\over 2}> \sqrt{ab} $$true
- 3$${a+b\over 2}< \sqrt{ab} $$false
- 4All of the abovefalse
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Answer : 2. "$${a+b\over 2}> \sqrt{ab} $$"
Q: If 3x2-5x+1=0, then the value of ( $$x^2+{1\over 9x^2}$$) is
868 064ba71a62d3130f575436434
64ba71a62d3130f575436434- 1$$1{2\over 3} $$false
- 2$$1{1\over 3}$$false
- 3$$2{1\over 9}$$true
- 4$$2{2\over 3}$$false
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Answer : 3. "$$2{1\over 9}$$"
Q: If a = 2·361, b = 3·263 and c = 5·624, then the value of a3 + b3 – c3 + 3abc is
849 06409cf73a37bb1a5e16e1b62
6409cf73a37bb1a5e16e1b62- 135·621false
- 20true
- 319·277false
- 41false
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Answer : 2. "0"
Q: If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
847 06447959fdf70e0688c8264bb
6447959fdf70e0688c8264bb- 1−10false
- 2−70false
- 3−50true
- 4−30false
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Answer : 3. "−50"
Q: If a + b = 1 and a3 + b3 + 3ab = k, then the value of k is
846 06409ca61df653d9ac22bc376
6409ca61df653d9ac22bc376- 11true
- 23false
- 35false
- 47false
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Answer : 1. "1 "
Q: A complete factorization of x4+64 is
843 063861340a72dd915f318247d
63861340a72dd915f318247d- 1$$\left(x^2+8 \right)^2 \ $$false
- 2$$\left(x^2+8 \right) \ (x^2-8)$$false
- 3$$\left(x^2-4x+8 \right) \ (x^2-4x-8)$$false
- 4$$\left(x^2+4x+8 \right) \ (x^2-4x+8)$$true
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Answer : 4. "$$\left(x^2+4x+8 \right) \ (x^2-4x+8)$$"
Q: What is the simplified form the expression (1+x)(1+x2)(1+x4)(1+x8)(1-x)?
835 064ad3686b3b647c4eaaae23e
64ad3686b3b647c4eaaae23e- 1false
1-x40
- 2false
1-x32
- 3true
1-x16
- 4false
1-x42
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Answer : 3. "1-x16
"
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