２次関数のグラフとx軸の位置関係
Authored by Mori undefined
Mathematics
10th Grade
Used 3+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
２次関数 y=x2-4x+4 のグラフと x 軸の共有点の座標を求めよ。
(2, 0)
(-2, 0)
(2, 0), (0, 0)
(-2, 0), (0, 0)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
２次関数 y=x2-2x-3 のグラフとx 軸の共有点の座標を求めよ。
(3, 0), (-1, 0)
(3, 0)
(-1, 0)
(3, -1)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
２次関数 y=x2+5x+3 のグラフとx 軸の共有点の個数を求めよ。
0個
1個
2個
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
２次関数 y=x2+3x+3 のグラフとx 軸の共有点の個数を求めよ。
0個
1個
2個
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
次の２次関数のグラフのうち、グラフがx 軸に接するものはどれですか。
y=x2–2x-3
y=-x2+3x-1
y=x2+2x+1
y=2x2-5x-3
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