Algebra Practice Question and Answer

Q:

рдпрджрд┐┬аpq+qr+rp=┬ард╣реИ рддреЛ┬а$$ {p^{2}\over {p^{2}-qr}}+{q^{2}\over {q^{2}-rp}}+{r^{2}\over {r^{2}-pq}}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛тАФ

1848 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    -1
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 2. "1"

Q:

рдпрджрд┐ 0.13 x p2 = 13 рд╣реИ, рддреЛ p рдХрд┐рд╕рдХреЗ рдмрд░рд╛рдмрд░ рд╣реИ ?

1838 0

  • 1
    10
    Correct
    Wrong
  • 2
    0.01
    Correct
    Wrong
  • 3
    0.1
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 1. "10 "

Q:

рдпрджрд┐┬аa-b=1┬ардФрд░┬аa3-b3=61┬арддреЛ┬аab┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛┬а?

1721 0

  • 1
    30
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    -20
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 4. "20"

Q:

рдпрджрд┐┬аx+y+z=9┬ардПрд╡рдВ┬аx2+y2+z2=31 рд╣реИ,┬арддреЛ┬аx3+y3+z3-3xyz┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛┬а?

1692 0

  • 1
    54
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "54"

Q:

рдпрджрд┐ x+y=14: x3+y3=1064, ┬ард╣реИ рддреЛ (x-y)2 рдХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1567 0

  • 1
    81
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "36"

Q:

рдпрджрд┐┬аa+b+c=15┬ардФрд░┬аa2+b2+c2=83┬ард╣реИ,┬арддреЛ┬аa3+b3+c3-3abc┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВ┬а

1493 0

  • 1
    190
    Correct
    Wrong
  • 2
    210
    Correct
    Wrong
  • 3
    200
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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Answer : 4. "180"

Q:

рдпрджрд┐┬а$${144\over0.144}={14.4\over x}$$ рд╣реИ, рддреЛ x рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗ

1487 0

  • 1
    144
    Correct
    Wrong
  • 2
    14.4
    Correct
    Wrong
  • 3
    1.44
    Correct
    Wrong
  • 4
    0.0144
    Correct
    Wrong
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Answer : 4. "0.0144"

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Answer : 3. "$$ 2abc\over {ac+bc-ab} $$"

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