10. X^2+KX+50=0,K is integer, what is the least value of K in order that the image has two different intersections with X-axis? 选择:there is no least possible value.运用判别式得出K^2-400>0,K可以取负无穷大。
LZ,k是可以无穷大,但又符合least value,且符合integer的答案不是21? 你为什么选there is no least possible value?
10. X^2+KX+50=0,K is integer, what is the least value of K in order that the image has two different intersections with X-axis? 选择:there is no least possible value.运用判别式得出K^2-400>0,K可以取负无穷大。
LZ,k是可以无穷大,但又符合least value,且符合integer的答案不是21? 你为什么选there is no least possible value?