Algebra Practice Question and Answer

  • Show AnswerHide Answer
  • Workspace

Answer : 1. "0"

Q:

рдпрджрд┐ 3x2-5x+1=0, рддреЛ ( $$x^2+{1\over 9x^2}$$) рдХрд╛ рдорд╛рди рд╣реИ

437 0

  • 1
    $$1{2\over 3} $$
    Correct
    Wrong
  • 2
    $$1{1\over 3}$$
    Correct
    Wrong
  • 3
    $$2{1\over 9}$$
    Correct
    Wrong
  • 4
    $$2{2\over 3}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$2{1\over 9}$$"

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) 21x┬▓ + 10x + 1 = 0
┬а(ii) 24y┬▓+ 26y + 5 = 0

432 0

  • 1
    x тЙд y
    Correct
    Wrong
  • 2
    x тЙе 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
  • Show AnswerHide Answer
  • Workspace

Answer : 5. "x =y рдпрд╛ x рдФрд░ y рдХреЗ рдмреАрдЪ рдХреЛрдИ рд╕рдореНрдмрдиреНрдз рд╕реНрдерд╛рдкрд┐рдд рдирд╣реАрдВ рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛"

Q:

рдЕрднрд┐рд╡реНрдпрдХреНрддрд┐┬а(1+x)(1+x2)(1+x4)(1+x8)(1-x)┬ардХрд╛┬ард╕рд░рд▓реАрдХреГрдд┬ард░реВрдк┬ардХреНрдпрд╛┬ард╣реИ?

432 0

  • 1

    1-x40

    Correct
    Wrong
  • 2

    1-x32

    Correct
    Wrong
  • 3

    1-x16

    Correct
    Wrong
  • 4

    1-x42

    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "

1-x16

"

Q:

рдпрджрд┐┬а$$x^4+{16\over x^4}=15617, x>0$$ ┬ард╣реИ рддреЛ┬а$$x+{2\over x}$$ рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП┬а

429 0

  • 1
    $$ \sqrt {121} $$
    Correct
    Wrong
  • 2
    $$ \sqrt {127} $$
    Correct
    Wrong
  • 3
    $$ \sqrt {129} $$
    Correct
    Wrong
  • 4
    $$ \sqrt {123} $$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$ \sqrt {129} $$"

Q:

(x + a) рдФрд░ (x + b) рдХрд╛ рдЧреБрдгрдирдлрд▓ рдХреНрдпрд╛ рд╣реИ?

425 0

  • 1
    x2+(a-b)x+ab
    Correct
    Wrong
  • 2

    x2+(a-b)x-ab

    Correct
    Wrong
  • 3

    x2+(a+b)x+ab

    Correct
    Wrong
  • 4

    x2+(a+b)x-ab

    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "

x2+(a+b)x+ab

"

Q:

рдпрджрд┐ a + b = 1 рдФрд░ a3 + b3 + 3ab = k, рддреЛ k рдХрд╛ рдорд╛рди рд╣реИ

420 0

  • 1
    1
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "1 "

Q:

рдпрджрд┐ 2x + 3y = 17 рдФрд░ 2x+2 тАУ 3y+1 = 5, рддреЛ :

419 0

  • 1
    x = 1, y = 3
    Correct
    Wrong
  • 2
    x = 3, y = 3
    Correct
    Wrong
  • 3
    x = 3, y = 2
    Correct
    Wrong
  • 4
    x = 1, y = 2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "x = 3, y = 2"

      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