Mathematics
Senior High
(2)の円の半径と直線の距離使う方の解き方教えて下さい😢回答は判別式の方しか載ってなくて😢
196 次の円と直線の共有点の個数は,定数kの値によってどのように変わるか。
*(1) x2+y2=1, y=-x+k
(2) x2+y2+4y=0, y=kx+2
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