Algebra Practice Question and Answer

Q:

рдирд┐рд░реНрджреЗрд╢: рдЗрдирдореЗрдВ рд╕реЗ рдкреНрд░рддреНрдпреЗрдХ рдкреНрд░рд╢реНрди рдореЗрдВ рджреЛ рд╕рдореАрдХрд░рдг (i) рдФрд░ (ii) рджрд┐рдП рдЧрдП рд╣реИрдВред рдЖрдк рджреЛрдиреЛрдВ рд╕рдореАрдХрд░рдгреЛрдВ рдХреЛ рд╣рд▓ рдХреАрдЬрд┐рдП рдФрд░ рдЙрд╕рдХреЗ рдЕрдиреБрд╕рд╛рд░ рдЙрддреНрддрд░ рджреАрдЬрд┐рдПред

(i) 3x┬▓ + 11x + 10 = 0
┬а(ii) 2y┬▓ + 11y + 14 = 0

416 0

  • 1
    x тЙе y
    Correct
    Wrong
  • 2
    x тЙд y
    Correct
    Wrong
  • 3
    x > y
    Correct
    Wrong
  • 4
    x < y
    Correct
    Wrong
  • 5
    x =y рдпрд╛ x рдФрд░ y рдХреЗ рдмреАрдЪ рдХреЛрдИ рд╕рдореНрдмрдиреНрдз рд╕реНрдерд╛рдкрд┐рдд рдирд╣реАрдВ рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛
    Correct
    Wrong
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Answer : 1. "x тЙе y"

Q:

рдпрджрд┐ x4+y4+x2y2=21 рддрдерд╛┬аx2+y2-xy=7┬ард╣реИ, рддреЛ┬а$${x\over y}+{y\over x}$$ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

415 0

  • 1
    $$15\over 8$$
    Correct
    Wrong
  • 2
    $$3\over 2$$
    Correct
    Wrong
  • 3
    $$27\over 28$$
    Correct
    Wrong
  • 4
    $$3\over 4$$
    Correct
    Wrong
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Answer : 2. "$$3\over 2$$"

Q:

a2+b2+c2-2ab-2bc+2ca┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

412 0

  • 1
    (2a + b + c)2
    Correct
    Wrong
  • 2

    (a тИТ b + c)2

    Correct
    Wrong
  • 3

    (a тИТ b тИТ 2c)2

    Correct
    Wrong
  • 4

    (a + 2b тИТ c)2

    Correct
    Wrong
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Answer : 2. "

(a тИТ b + c)2

"

Q:

рдпрджрд┐┬а$${{x^{24}+1}\over x^{12}}=7$$ рддреЛ┬а$${{x^{72}+1}\over x^{36}}$$ ┬ардХрд╛ рдорд╛рди рд╣реИ

409 0

  • 1
    433
    Correct
    Wrong
  • 2
    322
    Correct
    Wrong
  • 3
    343
    Correct
    Wrong
  • 4
    432
    Correct
    Wrong
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Answer : 2. "322 "

Q:

рдпрджрд┐┬а$$x-{1\over 5},xтЙа0,$$ рддреЛ┬а$${x^6+3x^3-1}\over x^6-8x^3-1$$ рдХрд╛ рдореВрд▓реНрдп рдХреНрдпрд╛ рд╣реИ =?

409 0

  • 1
    $$3\over 8$$
    Correct
    Wrong
  • 2
    $$13\over 12$$
    Correct
    Wrong
  • 3
    $$4\over 9$$
    Correct
    Wrong
  • 4
    $$11\over 13$$
    Correct
    Wrong
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Answer : 2. "$$13\over 12$$"

Q:

рдпрджрд┐ x + y + 3 = 0 , рддреЛ x3+y3-9xy+9┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред

408 0

  • 1
    18
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    -36
    Correct
    Wrong
  • 4
    -18
    Correct
    Wrong
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Answer : 4. "-18 "

Q:

рдпрджрд┐┬аx = 2 - 21/3 + 22/3, x3тАУ 6x2 + 18x + 18┬ардХрд╛┬ардорд╛рди┬ард╣реИ

397 0

  • 1
    22
    Correct
    Wrong
  • 2
    33
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    45
    Correct
    Wrong
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Answer : 3. "40 "

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