首页
登录
职称英语
In the rectangular coordinate system above, for how many of the points that lie
In the rectangular coordinate system above, for how many of the points that lie
游客
2025-02-23
48
管理
问题
In the rectangular coordinate system above, for how many of the points that lie inside or on the boundary of the shaded region are both coordinate integers?
选项
A、14
B、10
C、6
D、12
E、8
答案
D
解析
这种题目当然只能够枚举:
共有(0,0),(1,0),(2,0),(3,0)
(0,1),(1,1),(2,1),(3,1)
(0,2),(1,2),(2,2),(3,2),刚好是12个点。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3969304.html
相关试题推荐
Intherectangularcoordinatesystemabove,forhowmanyofthepointsthatlie
P(x,y)isthemidpointofAB?(notshownabove),thenwhatarethecoordinatesof
A、Thefailureoftheeducationalsystemtohelpimproveblacks’economicstatus
A、Bydiminishingerrors,negativefeedbackallowssystemstocorrectthemselves.
A、AcontrastofdifferentpointsofviewB、AnanalogythatseekstoillustrateC
Therootsystemsofcertainplantfamilies,suchasthatoftulipsandcrabgrass
TESTINESS:A、attachmentB、enduranceC、prudenceD、concernE、systematismB
Creatingarelativelysimplemodeloftheknownecosystemrequiresatremendous
Thethoroughtraininginthefinepointsoflyricwritingthathehasreceivedf
GiventhepersistentandintransigentnatureoftheAmericanracesystem,
随机试题
WhichofthefollowingitalicizedphrasesindicatesCAUSE?A、Whydon’tyoudoit
错
违法和犯罪是同一种行为的两种不同表达,违法就是犯罪。()
隧道风速风向检测器的风向测量精度不应该超过()。A.±3° B.±5° C.
女性,67岁,双膝痛多年,行走困难。双膝内翻,屈伸受限。X线片示关节边缘广泛骨
(2018年真题)与一般期货交易所章程相比,会员制期货交易所章程还应当载明下列(
已知三维列向量αβ满足αTβ=3,设3阶矩阵A=βαT,则:A.β是A的属于特
按照价值工程原理,“价值”是指()。A.产品消耗的必要劳动时间 B.功能的
下列情形中,劳动者提出或者同意续订、订立劳动合同的,除劳动者提出订立无固定期限劳
HDPE膜铺设工程中,不属于挤压焊接检测项目的是()。A.观感检测 B.气压检
最新回复
(
0
)