Math Problem Statement
y=2x²-4x-6の最大値または最小値、およびそのときの値を求めよ
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Formulas
x = -b/(2a)
y = ax² + bx + c
Theorems
Vertex form of a quadratic function
Suitable Grade Level
Grades 7-9