Q1 of 95 Page 79

Compute the squares of these numbers.
9.25

9.25²can be written as(9 + 0.25)²

Using identity = + + 2

(9 + 0.25)² = (9)² + (0.25)² + 290.25

= 81 + 0.0625 + 4.5

= 85.5625

Compute the squares of these numbers.

9.25

Look at this pattern:

Explain the general principal using algebra.

Questions · 95

4. Identities

1 1 1 1 1 1 2 2 2 2 2 2 3 3 4 4 1 1 1 2 2 2 2 2 2 3 3 4 4 5 5 1 1 1 1 1 1 1 1 2 2 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 2 2 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 1 1 1 1 2 2 2 2 3 3 3 3 1 1 1 1 1 1 1 1

Compute the squares of these numbers.9.25