Math Problem Statement
kを定数とする。曲線y=|x^2-4x|+2x-2と直線y=x+kの共有点の個数を求めよ。答えはk<-2が0個、k=-2が1個、-2<k<2が2個、k=2が3個、2<k<17/4が4個、k=17/4が3個、k>17/4が2個です。
Solution
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Math Problem Analysis
Mathematical Concepts
Absolute Value Function
Quadratic Equations
Intersection of Curves and Lines
Formulas
Quadratic equation formula
Discriminant formula
Theorems
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Suitable Grade Level
High School