Algebra Practice Question and Answer

Q:

рдпрджрд┐┬аx2+y2+z2 = xy + yz + zx, ┬ард╣реИ,┬арддреЛ $${3x^4+7y^4+5z^4}\over{5x^2y^2+7y^2z^2+3z^2x^2} $$ рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВред

1456 0

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

Q:

рдпрджрд┐┬аa=34, b=c=33┬ард╣реИ,┬арддреЛ┬аa3+b3+c3-3abc┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗ ред

1394 0

  • 1
    50
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    111
    Correct
    Wrong
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Answer : 2. "100"

Q:

100.48 = x, 100.70┬а= y┬ардФрд░┬аx2 = y2┬арджрд┐рдпрд╛ рдЧрдпрд╛ рд╣реИ,┬арддреЛ┬аz┬ардХрд┐рд╕рдХреЗ рдирд┐рдХрдЯрддрдо рд╣реИ?

1385 0

  • 1
    1.45
    Correct
    Wrong
  • 2
    1.88
    Correct
    Wrong
  • 3
    2.9
    Correct
    Wrong
  • 4
    3.7
    Correct
    Wrong
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Answer : 3. "2.9"

Q:

рдпрджрд┐┬аp=99┬арддреЛ┬аp(p2+3p+3)┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛┬а?

1371 0

  • 1
    1000001
    Correct
    Wrong
  • 2
    999998
    Correct
    Wrong
  • 3
    999999
    Correct
    Wrong
  • 4
    1000000
    Correct
    Wrong
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Answer : 3. "999999"

Q:

рдпрджрд┐┬а(x+y+z)=12, xy+yz+zx=44┬ардФрд░┬аxyz=48┬ард╣реИ рддреЛ┬аx3+y3+z3=?┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1368 0

  • 1
    104
    Correct
    Wrong
  • 2
    144
    Correct
    Wrong
  • 3
    288
    Correct
    Wrong
  • 4
    196
    Correct
    Wrong
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Answer : 3. "288"

Q:

рдпрджрд┐┬а┬аa=x+y, b=x-y, c=x+2y┬ард╣реИ рддреЛ┬а$$ {a^2+b^2+c^2}-ab-bc-ca $$┬ардХрд╛ рдорд╛рди рд╣реИ

1364 0

  • 1
    $${4y^2}$$
    Correct
    Wrong
  • 2
    $${5y^2}$$
    Correct
    Wrong
  • 3
    $${6y^2}$$
    Correct
    Wrong
  • 4
    $${7y^2}$$
    Correct
    Wrong
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Answer : 4. "$${7y^2}$$"

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