Question
Estimate to the nearest integer.
Square root of -55
Square root of -55
Answers
MathMate
7*7=49
8*8=64
7.5*7.5=56.25
So
sqrt(55)=7.5 approx.
To get a better estimate,
calculate (mentallY)
7.5-(55-56.25)/(2*7.5)
=7.5-1.25/15
=7.5-1/12
=7.417
8*8=64
7.5*7.5=56.25
So
sqrt(55)=7.5 approx.
To get a better estimate,
calculate (mentallY)
7.5-(55-56.25)/(2*7.5)
=7.5-1.25/15
=7.5-1/12
=7.417
Anonymous
3√7.5