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


More from this chapter

All 95 →
1

Compute the squares of these numbers.

 1

Compute the squares of these numbers.

9.25

 2

Look at this pattern:


Explain the general principal using algebra.

 2

Look at this pattern:


Explain the general principal using algebra.