How many solutions does the equation #x^2 - 16x + 64 = 0# have?
2 Answers
Aug 19, 2016
Conventionally, we say that the eqn. has
Explanation:
Conventionally, we say that the eqn. has
Aug 20, 2016
For the quadratic equation
- If
#Delta>0# , the equation has two real roots. - If
#Delta=0# , the equation has a single double root. - If
#Delta<0# , the equation has no real solutions.
So, for
#Delta=b^2-4ac=(-16)^2-4(1)(64)=256-256=0#
Since