Term 2 Algebra Two Marks Question

7th Standard

    Reg.No. :
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Maths

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Express each of the following numbers using exponential form.
    512

  2. Express each of the following numbers using exponential form.
    343

  3. Simplify the following.
    52 x104

  4. Find the value of the following.
    (−4)2

  5. Simplify using laws of exponents.
    3y x 12y

  6. Simplify using laws of exponents.
    256 x 56

  7. Find the unit digit of expanded form.
    1110

  8. Find the unit digit of expanded form.
    4615

  9. Find the degree of the following terms.
    −125

  10. Find the degree of the following terms.
    3z

  11. 6x 6m = 65, find the value of ‘m’.

  12. Find the unit digit of 124128 x 126124.

  13. Find the value of w, given that x = 3 , y = 4 , z = −2 and w = x2 − y2 + z2 − xyz .

  14. Simplify and find the degree of 6x2 + 1 - [8x - {3x2 - 7 - (4x2 - 2x + 5x + 9)}]

  15. The two adjacent sides of a rectangle are 2x2 − 5xy + 3z2 and 4xy − x2 − z2 . Find the perimeter and the degree of the expression.

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