Answer:
A.
Step-by-step explanation:
1. The standard form of the equation of a circle is
2. To find the center we require the midpoint of the 2 given points
center =
=(-5,8)
3. The radius is the distance from the centre to either of the 2 given points calculate the radius using the distance formula
d=
let and
r=
-->
-->
Answer:
5n units
Step-by-step explanation:
C=2πr =2·π·2.5
Answer:
infinitely many
Step-by-step explanation:
12x + 1 = 3(4x + 1) - 2
Distribute
12x + 1 = 12x + 3 - 2
Combine like terms
12x+1 = 12x +1
Subtract 12x from each side
1 =1
Since this is always true, we have infinite solutions
4. It has exactly 2 parallel sides.
Answer:
D)18,400
Step-by-step explanation: