Question

Which point is on the circle centered at the origin with a radius of 5 units? distance formula: (2,4.79 ) (2,4.58 ) (2, 1) (2, 3)

Answer 1

Answer:

$(2, \sqrt{21})$

Step-by-step explanation:

edgenuity 2020

the verified one was kinda long and confusing so i hope this helps!

Answer 2

(2,4.58) is on the circle. The distance from original to point (x,y) is \sqrt(x^2+y^2). Since (x,y) is on the circle centered at the origin with radius 5, x^2+y^2=5^2=25. Among the choices given, only 2^2+4.58^2=5^2, so point (2, 4.58) is on the circle.