「高等学校数学I/2次関数」の版間の差分

編集の要約なし
(グラフの追加。)
編集の要約なし
|-
! a > 0 のとき
| [[File:Number of real solutions of quadratic equation D)0 a)0.svg|thumb|center|150px]] || [[File:Number of real solutions of quadratic equation D=0 a)0.svg|thumb|center|150px]] || [[File:Number of real solutions of quadratic equation D(0 a)0.svg|thumb|center|150px]]
 
|-
!  a < 0 のとき
| [[File:Number of real solutions of quadratic equation D)0 a(0.svg|thumb|center|150px]] || [[File:Number of real solutions of quadratic equation D=0 a(0.svg|thumb|center|150px]] || [[File:Number of real solutions of quadratic equation D(0 a(0.svg|thumb|center|150px]]
|-
!  共有点の個数
23,093

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