Question

A square building lot for a house has an area of 9974 square feet. Which is closest to the length of one of the sides of the lot?

Answer 1

The area of a square is s^2 where s is the length of one of the sides.
s^2=9947 which is approximately 10000.
sqrt(10000)=100

Answer 2

for x = 5,y =1,and z = 4,which of the following is closet to the value \[\sqrt{x^{2}-4yz}\]