Answer:
Step-by-step explanation:
Neither.
It is a complex number. The - sign is the culprit. sqrt(-144) = i * sqrt(144) = 12 i
The "i" is an imaginary representation for the square root of -1. It is a definition for sqrt(-1). So a new category of number has been created. The ancients would have been profoundly surprised to learn that such a thing existed.
Step-by-step explanation:
is a root of the quadratic
This quadratic isn't factorable so use the quadratic formula
The plus and minus sign after b means we going to have two roots.
The roots are
and
We subsitue those values for Beta.
27a.
27b.
25
A=1 B=2 C=3 Yes it would work for all because its using the commutative property.
I believe the answer would be 2 23/42. Sorry, if I am wrong with this answer. Sorry, i also mean the answer should be actually 1 3/7