Hello,
Radius= √((4-0)²+(5-0)²)=√41
Equation of the circle : x²+y²=41
The discriminant is b^2 -4ac
a = 1
b = -2
c = 4
discriminant = 4 -4 * 1 * 4 =
4 -16 =
-12
I get MINUS 12 as the answer but that isn't one of the choices.
2p*p= 2p^2 because when you multiply p by p it squares it, then you keep the 2 in front of it
Answer:
AC = 2.96 (rounded to nearest hundredth )