函數f(x)=x2-3x+2的零點是() A.(1,0),(2,0)B.(0,1),(0,2)C. 1,2D. -1,-2

函數f(x)=x2-3x+2的零點是() A.(1,0),(2,0)B.(0,1),(0,2)C. 1,2D. -1,-2

由f(x)=x2-3x+2=0,即(x-1)(x-2)=0,解得x=1或x=2,即函數的兩個零點是1,2.故選:C