首页
登录
职称英语
The value of y will decrease as the value of x increases in which of the followi
The value of y will decrease as the value of x increases in which of the followi
游客
2024-01-12
49
管理
问题
The value of y will decrease as the value of x increases in which of the following equations?
选项
A、y = x
B、y = x-2
C、2-y = 3-x
D、2x-y = 4
E、x+2y=1
答案
E
解析
下面哪个等式中的y值随x值的增加而减小?
解:本题的正确答案为(E)。此题也就是让考生找y是x的减函数的选项。而题目中的五个选项都是一次线性方程,我们知道对于一次方程y=kx+b来说,当k大于零时,y是x的减函数;当k小于零时,y是x的增函数。在本题的五个选项中只有(E)选项的k值等于-1/2小于零。
转载请注明原文地址:https://tihaiku.com/zcyy/3356789.html
相关试题推荐
Thesun_________intheeast.A、risesB、raisesC、increasesD、goesA本题句意:太阳从东方升起。r
Thesun________intheeast.A、risesB、raisesC、increasesD、goesA句意:太阳从东方升起。rise意
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Whichofthefollowingisequaltothecubeofanon-integer?A、-64B、-1C、8D、9
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
随机试题
Securingrealandlastingimprovementinthelivesofindividualmenandwomeni
AnotherAmericanhadbeenkidnappedintheWestBeirut.Fifty-year-oldReedwas_
Cancunmeans"snakepit"inthelocalMayanlanguage,anditliveduptoitsn
Cellscannotremainaliveoutsidecertainlimitsoftemperature,andmuchn
Ifeellike______tobed.I’mtireA、goingB、wentC、goD、togoAfeellikedoings
在网络服务器群的后端,采用光纤通道等存储专用协议连接成的高速专用网络,使网络服务
43岁,女性,C5P1,带环避孕10年。近5年来经量渐增多,痛经逐渐加重,并经期
护理诊断公式中的P代表A.病人健康问题发生的原因 B.症状与体征 C.病人的
水利水电工程施工总承包企业资质等级分为()级。A、3 B、4 C、5 D
A.抑制心肌Na内流B.干扰表膜--线粒体功能C.抗氧化自由基损伤、抑制神经细胞
最新回复
(
0
)