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y=ax+bにそれぞれ代入→連立方程式を解いてaとbの値を出す
2=a+b・・・①
4=-3a+b・・・②
これを解いて a=-1/2、b=5/2
よって、y=-1/2x+5/2
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y=ax+bにそれぞれ代入→連立方程式を解いてaとbの値を出す
2=a+b・・・①
4=-3a+b・・・②
これを解いて a=-1/2、b=5/2
よって、y=-1/2x+5/2
Users viewing this question
are also looking at these questions 😉