Algebra Question with answer Practice Question and Answer

Q:

If x = 2 then the value of x3 + 27x2 + 243x + 631 is

440 0

  • 1
    1233
    Correct
    Wrong
  • 2
    1211
    Correct
    Wrong
  • 3
    1231
    Correct
    Wrong
  • 4
    1321
    Correct
    Wrong
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Answer : 1. "1233 "

Q:

Given that x3 + y= 72 and xy = 6 with x > y. Then the value of (x – y) is

490 0

  • 1
    4
    Correct
    Wrong
  • 2
    – 4
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    –2
    Correct
    Wrong
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Answer : 3. "2 "

Q:

If x = 332, y = 333, z = 335, then the value of x3 + y3 + z3 – 3xyz is

473 0

  • 1
    10000
    Correct
    Wrong
  • 2
    7000
    Correct
    Wrong
  • 3
    8000
    Correct
    Wrong
  • 4
    9000
    Correct
    Wrong
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Answer : 2. "7000 "

Q:

Find the radius of the circle x2+y2-4x+6y=12

431 0

  • 1
    4
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "5"

Q:

If (a+b)=16 and a3+b3=1456, then what is the value of ab?

637 0

  • 1
    50
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 4. "55"

Q:

If (a+b)=16 and a3+b3=1456, then what is the value of ab?

972 0

  • 1
    50
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 4. "55"

Q:

If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.

576 0

  • 1
    −10
    Correct
    Wrong
  • 2
    −70
    Correct
    Wrong
  • 3
    −50
    Correct
    Wrong
  • 4
    −30
    Correct
    Wrong
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Answer : 3. "−50"

Q:

What is the product of (x + a) and (x + b)?

523 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
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Answer : 3. "

x2+(a+b)x+ab

"

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