A circle with center (-2,1) is tangent to the y-axis. What is the radius, equation, and is the circle also tangent to the x-axis?
February 20th, 2023
Radius ##r=2##
##(x+2)^2+(y-1)^2=4##
It is not tangent to the x-axis
Given :Center ##(h, k)=(-2, 1)##
It is tangent to the y-axis, therefore, the y-axis is perpendicular to the radius. A radius and the y-axis intersects at ##(0, 1)## and this point is 2 units away from the center.
then, Radius ##r=2##
Have a nice day !!! from the Philippines..
