Surds and Indices Practice Question and Answer

Q:

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рдХрдерди рд╕рддреНрдп рд╣реИрдВ?

I. $$ {\sqrt{12}}>{^{3}{\sqrt{16}}}>{^{4}{\sqrt{24}}}$$
II. $$ ^{3}{\sqrt{25}}>{^{4}{\sqrt{32}}}>{^{6}{\sqrt{48}}}$$
III. $$ ^{4}{\sqrt{9}}>{^{3}{\sqrt{15}}}>{^{6}{\sqrt{24}}}$$

898 0

  • 1
    рдХреЗрд╡рд▓ I рддрдерд╛ II
    Correct
    Wrong
  • 2
    рдХреЗрд╡рд▓ I рддрдерд╛ III
    Correct
    Wrong
  • 3
    рдХреЗрд╡рд▓ I
    Correct
    Wrong
  • 4
    рд╕рднреА рд╕рддреНрдп рд╣реИред
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "рдХреЗрд╡рд▓ I рддрдерд╛ II"

Q:

рдпрджрд┐┬а$$ ┬а3 ^{2x-y}=3^{x+y}=\sqrt{27}$$┬а┬ард╣реИ рддреЛ┬а┬аy┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛тАФ

872 0

  • 1
    $$ {1\over2}$$
    Correct
    Wrong
  • 2
    $$ {3\over2}$$
    Correct
    Wrong
  • 3
    $$ {1\over8}$$
    Correct
    Wrong
  • 4
    $$ {3\over4}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$ {1\over2}$$"

Q:

$$ {4^{10+n}}.{16^{3n-4}}\over4^{7n}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛тАФ

1129 0

  • 1
    8
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "16"

Q:

$$ {{2^n+2^{n-1}}\over {2^{n+1} -2^n}}=?$$.

755 0

  • 1
    $$ {3\over2}$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    $$ {2\over3}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$ {3\over2}$$"

Q:

рдпрджрд┐ рд╣реИ $$ (3^{33}+3^{33}+3^{33})(2^{33}+2^{33})=6^x$$, рддреЛ x рдХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ ?

3188 0

  • 1
    34
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    33
    Correct
    Wrong
  • 4
    33.5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "34"

Q:

рдпрджрд┐┬а5a=3125,┬а┬ард╣реИ рддреЛ┬а5(a-3)┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1219 0

  • 1
    25
    Correct
    Wrong
  • 2
    125
    Correct
    Wrong
  • 3
    625
    Correct
    Wrong
  • 4
    1625
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "25"

Q:

$$ \sqrt{217+\sqrt{48+\sqrt{256}}}=?$$.

1198 0

  • 1
    14
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    14.4
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "15"

Q:

$$ ^{3}\sqrt{-13824}$$.рдХрд╛ рдШрдирдореВрд▓ рдЬреНрдЮрд╛рдд рдХрд░реЛрдВ?

730 0

  • 1
    24
    Correct
    Wrong
  • 2
    38
    Correct
    Wrong
  • 3
    -24
    Correct
    Wrong
  • 4
    -38
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "-24"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully