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The center of circle A

𝐴
is at (4,4)
(
4
,
4
)
, with a radius of 3. What should Negin’s first step be to prove that the point B(7,4)
𝐡
(
7
,
4
)
lies on the circle?

(1 point)
Responses

Negin should approximate the distance from A
𝐴
to B
𝐡
.
Negin should approximate the distance from upper A to upper B .

Negin should use the distance formula to calculate the length of segment AB
𝐴
𝐡
.
Negin should use the distance formula to calculate the length of segment upper A upper B .

Negin should calculate the area of the circle.
Negin should calculate the area of the circle.

Negin should calculate the circumference of the circle.

1 answer

To prove that point B(7,4) lies on circle A, Negin's first step should be to use the distance formula to calculate the length of segment AB. The distance formula will allow her to determine if the distance from the center of the circle A to point B is equal to the radius of the circle.

So, the correct response is:

Negin should use the distance formula to calculate the length of segment AB.