Solve the following system of equations using the SUBSTITUTION method. Show all your work! x = 2y + 1 x + y = 4
1 answer:
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The equation of the circle: 
where:
(a; b) - coordinates of the center
r - a radius
Use:
We have:
Answer:
The center: (-2; 4)
The radius: r = 4
where:
(a; b) - coordinates of the center
r - a radius
Use:
We have:
Answer:
The center: (-2; 4)
The radius: r = 4