I HAVE A PROBLEM....
FOR A^2=4 AM I SOLVING FOR A OR ^2?
WILL A BE 2?
A^2=4
take the square root of both sides
A = ± 2
so this answer is n/a??
No
A = 2 OR A = -2
notice (2)^2 = 4
and (-2)^2 = 4, so they both work
SO do I take the square root of both a and 4?
If so square root of a is a and 4 is 2???
To solve the equation A^2 = 4, we are solving for the variable A. This means we are trying to find the possible values of A that make the equation true. In this case, A^2 is equal to 4.
To find the value of A, we can take the square root of both sides of the equation. Taking the square root of A^2 cancels out the exponent of 2, leaving us with just A. Taking the square root of 4 gives us two possible solutions: positive 2 and negative 2.
So, in this case, A can have two values: A = 2 or A = -2.