Simplification Practice Question and Answer

Q:

рдпрджрд┐┬а1.5 a=0.04 b┬ард╣реИ рддреЛ $$ {b-a\over b+a}$$.

889 0

  • 1
    $$ {77\over 33}$$
    Correct
    Wrong
  • 2
    $$ {73\over 77}$$
    Correct
    Wrong
  • 3
    $$ {2\over 75}$$
    Correct
    Wrong
  • 4
    $$ {75\over 2}$$
    Correct
    Wrong
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Answer : 2. "$$ {73\over 77}$$"

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Answer : 3. "6 рдХрд┐рд▓реЛ"

Q:

рдпрджрд┐┬а2x + 3y - 5z = 18 , 3x + 2y + 2 = 29┬ардФрд░┬аx + y + 3z=17┬арддреЛ┬аxy + yz + zx┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛┬а?┬а

1125 0

  • 1
    32
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    52
    Correct
    Wrong
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Answer : 4. "52"

Q:

рдпрджрд┐┬а12x тАУ 15 y =9x + 5y, ┬арддреЛ┬а$$ {x^{2}+{y^{2}}\over{x^{2}-y^{2}}}$$┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

1097 0

  • 1
    $$ {23\over 17}$$
    Correct
    Wrong
  • 2
    $$ {391\over 409}$$
    Correct
    Wrong
  • 3
    $$ {400\over 9}$$
    Correct
    Wrong
  • 4
    $$ {409\over 391}$$
    Correct
    Wrong
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Answer : 4. "$$ {409\over 391}$$"

Q:

рдпрджрд┐┬а0.5x + 0.7y=0.5 ┬ардФрд░┬а0.7x + 0.5y=0.7┬ард╣реИ,┬арддреЛ┬а┬аx+y┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1263 0

  • 1
    1.2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0.5
    Correct
    Wrong
  • 4
    0.7
    Correct
    Wrong
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Answer : 2. "1"

Q:

рдпрджрд┐┬а$$ {(x-2)^{2}+(y-{1\over2})^{2}}=0$$,┬ард╣реИ рддреЛ┬а$$ {x\over y}$$┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

711 0

  • 1
    $$ {1\over 4}$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"

Q:

рдпрджрд┐┬а$$\sqrt{x}├╖ \sqrt{144} = 0.02, $$,┬арддреЛ┬аx ┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗред

872 0

  • 1
    1.64
    Correct
    Wrong
  • 2
    2.64
    Correct
    Wrong
  • 3
    1.764
    Correct
    Wrong
  • 4
    0.0576
    Correct
    Wrong
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Answer : 4. "0.0576"

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