posted by Anonymous .
A circle with center at (2,0) and a radius of 4 is intersected by a line whose slope is 1 and whose y intercept is 2. Write the equation of the line and write the equation of the circle in standard form.
i know that the center-radius form is (x-2)^2 + (y-0)^2=16
y = m x + b
y = 1 x + 2 or y-x = 2