✨ Best Answer ✨
①グラフより(2,-2)を通るので
y=ax^2に代入して
-2=a×2^2 ∴a=-1/2
②y=-1/2x^2にx=3/2を代入して
y=-1/2×(3/2)^2
=-1/2×9/4=-9/8
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✨ Best Answer ✨
①グラフより(2,-2)を通るので
y=ax^2に代入して
-2=a×2^2 ∴a=-1/2
②y=-1/2x^2にx=3/2を代入して
y=-1/2×(3/2)^2
=-1/2×9/4=-9/8
Users viewing this question
are also looking at these questions 😉
