二次方程式

【数学IA】二次関数をグラフを使って得意分野にしよう！

「数学IA」の今回のテーマは、二次関数についてです、二次関数を理解するために、二次関数とはそもそも何か？を説明するとともに二次関数のグラフを使って二次関数を理解し、応用問題まで解けることを狙います。

2019.10.24

【数学IA】二次方程式とは？二次方程式の計算問題を公式を使って解く！

みなさん、こんにちは。「数学IA」の今回のテーマは、二次方程式です。おそらくみなさん、こう思っていませんか？二次とは次数が２を表すことで２次方程式とは最大次数が２が出てくる方程式のことを指します。この２次方程式を解く公式には①平方根を利用...

2019.10.21

数と式

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