Solve for x:
x^2=a

If a<0, then
If a=0, then
If a>0, then

if a > 0, there are two possible solutions:

the square root of a square is the base in absolute value bars

if a = 0, that means x = 0. anything multiplied by 0 is 0

if a < 0, there are no solutions because anything squared has to be positive

what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation: