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The answers is D
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A circle is a fixed distance from all other points on the circle
Answer:
Option (b).
Step-by-step explanation:
Given expression is :
8(1 + 2i) – (7 – 3i)
Using distributive property :
8+16i-7+3i
Taking like terms together,
1+19i
(1+19i) is the simplified expression for the given expression. He did not apply distributive property correctly for 8(1 + 2i). He forgets to multiply 8 with 2i.
Answer:
(x-7)^2 + (y+3)^2 = 49
Step-by-step explanation:
The general equation for a circle is given by
(x-h)^2 + (y-k)^2 = r^2
where ( h,k) is the center and r is the radius
(x-7)^2 + (y- -3)^2 = 7^2
(x-7)^2 + (y+3)^2 = 7^2
(x-7)^2 + (y+3)^2 = 49