What is the value of 5x2-1.9x-3.7 for x=-0.3?A、-4.72B、-3.82C、-3.58D、-2.68E、0

游客2025-02-27 12

问题 What is the value of 5x2-1.9x-3.7 for x=-0.3?

选项 A、-4.72
B、-3.82
C、-3.58
D、-2.68
E、0.57

答案 D

解析 The equation 5×[(-0.3)×(-0.3)]-1.9×(-0.3)-3.7=0.45+0.57-3.7=-2.68.

转载请注明原文地址:https://tihaiku.com/zcyy/3974967.html

相关试题推荐

随机试题

最新回复(0)

Researchersfoundfamilyinfluenceddelinquency.Attachmentandinvolvement