How many y-intercepts does the circle x^2 + (y - 2)^2 = 16 have?

Question

asked Oct 13, 2018 91.5k views

1 Answer

Eric Renouf · Answer 1 · 2018-10-17T20:40:33+0000

hello :
y-intercepts when : y = 0 : x² +(0-2)² = 16
x² = 12....(1)
two y-intercepts because the equation (1) has two solutions