SOLUTION: The point (1,2) lies outside the circle x^2+y^2=k if k satisfies the condition? a)k>5 b)k<=5 c)k<5 d)0<k<5

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Question 1089207: The point (1,2) lies outside the circle x^2+y^2=k if k satisfies the condition?
a)k>5
b)k<=5
c)k<5
d)0

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
given:
point (,)
->->
if ,point (,) would lie on the circle
so, the point (,) will lie the circle if satisfies the condition?
check:
if

if , let say

as you can see, the point (,) will lie the circle
so, your answer is:
c)

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