1st is parallel
2nd is perpendicular
3rd is perpendicular
4th is perpendicular
11/15, you would just divide 22/30 in half and that's as far as it can go.
F(0) is a y-intercept.
f(0) = -6
Answer:
radius = 11
Step-by-step explanation:
The equation of a circle centred at the origin is
x² + y² = r² ( where r is the radius )
x² + y² = 121 ← is the equation of a circle centred at the origin
with r² = 121 , then
r =
= 11