单选题If each of the equations below is graphed on the xy-plane, which one will produce a line with a positive slope containing the point (3, 2)?A x+y=5B x - y = 1C 3x-2y = 10D x2 -y=5E x +y2 = 7

题目
单选题
If each of the equations below is graphed on the xy-plane, which one will produce a line with a positive slope containing the point (3, 2)?
A

x+y=5

B

x - y = 1

C

3x-2y = 10

D

x2 -y=5

E

x +y2 = 7

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更多“If each of the equations below is graphed on the xy-plane, w”相关问题

  • 第1题：

    To reduce their design complexity, most networks are organized as a stack of(72), each one built upon the one below it.

    A．blocks

    B．modules

    C．pieces

    D．layers


    正确答案：D
    解析：参考译文：为了减少其设计的复杂性，大多数网络都组织成一个堆叠的层次结构，其中每一层都基于下一层而设计。

  • 第2题：

    You have done a partial migration from 802.1D STP to 802.1w STP. Which of the following is true？（）

    • A、802.1D and 802.1w interoperate only when the 802.1D STP domain supports rapid convergence.
    • B、Ports leading to 802.1D devices will run in compatibility mode， while the rest of the ports will run in 802.1w mode.
    • C、This is an invalid configuration and a partial migration cannot be done.
    • D、The bridge timers will be set to match the 802.1D devices.
    • E、A secondary root bridge will always be populated within the 802.1D domain.
    • F、If the root bridge is selected within the 802.1D domain， the whole STP domain will run in 802.1D compatibility mode.
    • G、In partially migrated 802.1w networks， it is recommended to keep the STP diameter below 4.

    正确答案:B

  • 第3题：

    根轨迹方程 (magnitude and phase equations)


    正确答案: 根轨迹所应满足的方程，称根轨迹方程。由相角方程和幅值方程组成。

  • 第4题：

    Your BladeCenter customer operates multiple geographically dispersed datacenters and needs resilient remote access to servers.  What is the most cost-effective solution listed below？（）

    • A、Add redundant management modules
    • B、Individual 1U and 2U servers equipped with Remote Support Adapters
    • C、Train and deploy highly skilled system administrators to each site
    • D、Maintain system administrators centrally and dispatch to remote sites when needed

    正确答案:A

  • 第5题：

    单选题
    If a vessel subject to PSC inspection, PSC Officer shall give the inspection to the Captain, the given timeframe for rectification of each deficiency is commonly given in a coded form which called “action code”, which code listed below is used for indication of detention of the vessel?（）
    A

    10

    B

    30

    C

    17

    D

    16


    正确答案： D
    解析： 暂无解析

  • 第6题：

    问答题
    Practice 6　　● Look at the list below. It shows pages from a company’s website on the internet.　　● For questions 6-10, decide which page (A-H) is the most suitable for each person below to　　select.　　● For each question, mark the correct letter (A-H) on your Answer Sheet.　　● Do not use any letter more than once.　　Sky Systems Ltd: Website Directory　　A　Company History　　B　Company Organization　　C　Annual Report　　D　Company Goals　　E　Product Information　　F　Retail Outlets　　G　Customer Complaints　　H　Latest News　　6. Adam Smith is not satisfied with some goods he bought.　　7. Rachel Cains wants to find out when the company started trading.　　8. Hazel Thomas needs to know the name of the Personnel Officer.　　9. Dominic Noble has to find out how the company performed last year.　　10. Benjamin Tidswell wants the address of his nearest Sky Systems dealer.

    正确答案： 6.G 本题的意思是:Adam Smith对他所买的一些产品不满意。由此可知他应该选择G项“顾客投诉”(Customer Complaints)。
    7.A 这句话的意思是:Rachel Cains想要找出公司什么时候开始交易的。这是属于公司历史(Company History)这一方面的,所以选A。
    8.B 本题的意思是:Hazel Thomas想要知道人事主管的名字。人事部门应该属于公司组织(Company Organization),所以选B。
    9.C 这句话的意思是:Dominic Noble想要找出公司去年的表现如何。C项“年度报告”中会包括公司去年的业绩。
    10.F 本题的意思是:Benjamin Tidswell需要离他最近的Sky Systems经销商的地址。由此可知他应该选择F项“零售店”。
    解析： 暂无解析

  • 第7题：

    填空题
    In the xy-plane, the graph of y = 2x2 + hx - 6 passes through the point (-3, -21), what is the value of h ?____

    正确答案： 11
    解析：
    因为(-3, -21)经过二次方程式，所以-21 = 2(-3)2 + h(-3) – 6，-21 = 18-3h-6= 12-3h，-33 =-3h，h = 11。

  • 第8题：

    单选题
    Which report style would you use to create a report listing each department and including a listing of employees beneath their respective department?（）
    A

    Group left. 

    B

    Form like. 

    C

    Matrix W/group. 

    D

    Group above. 

    E

    Mailing label. 

    F

    Form letter.


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Your vessel is listening because of a negative GM. To lower G below M, you should（）.
    A

    deballast

    B

    transfer weight to the high side

    C

    ballast on the high side

    D

    add we ght symmetrically below G


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Which one of the following answer choices below is true regarding the OSPF topology database?（）
    A

    All entries in the topology database will be included on each router.

    B

    All routers in the same OSPF area will have one topology database.

    C

    The Dijkstra algorithm is used in the creation of the topology database.

    D

    LSA packets are used to update and maintain the topology database.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    问答题
    Practice 6　　Think carefully about the issue presented in the following excerpt and the assignment below.　　Akira Kurosawa’s film masterpiece Rashomon portrays several people who have witnessed a death. As each observer recounts the event as he or she witnessed it, we come to realize that each person’s story varies greatly from every other account. Watching the movie, we reflect the truth of an experience—and perhaps all truth—is different for each person.　　Assignment: What is your opinion of the claim that truth is not objective, but rather is determined by each individual? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experience, or observations.

    正确答案： 【参考范文】
    The difference between perspective and truth is that perspective originates from an individual. Each person possesses a unique outlook on life, but truth, by definition, must be the same for every individual. The law of gravity cannot be challenged, nor are there any exceptions to it because it applies to everything on Earth. Similarly, our actions cannot, and do not, affect the truth because it exists outside the realm of our control.
    Platonic idealism holds that ideals exist outside the realm of the physical. That is the idea of what an object is (its definition) cannot be found in the human word. For example, if we look at the definition of a ball, it may say that a ball is a spherical object of fully rounded shape, with no angles, that contains radii of entirely equal lengths spanning out from a central point. Yet there are many different types of balls, including basketballs, baseballs, cricket balls, and so on. So even though many objects fit this definition of a ball, the “ideal,” or the truth of what a ball is, only exists in words, not in reality. Hence, we must conclude that an objective understanding of “ball” exists, as every person understands it.
    Events may be objectively understood as well. Though every person may see differently from his own eyes, due to differences in backgrounds and desires, impartial facts are immutable. For example, the Agatha Christie novel, Murder on the Orient Express, is a classic whodunit mystery that requires one detective to sort through twelve suspects in a murder case to find the true killer of a Mr. Ratchett. Detective Poirot is given the task of catching the true killer by sorting through various, sometimes conflicting, alibis and motives. Though he is given twelve different narratives from his suspects, Poirot eventually brilliantly pieces together the objective events to find the truth on who kills Mr. Ratchett. Therefore, regardless of what subjective stories may exist in the world, an objective truth always exists.
    There is a famous saying that says one cannot judge another person until one has walked a mile in that person’s shoes. Human perceptions vary tremendously from person to person, but in order to separate the objective from the subjective, we must step outside the world of opinion, and review facts. What is true cannot be debated; it can only be described by words.
    解析： 暂无解析

  • 第12题：

    单选题
    主甲板以下是二层甲板。（）
    A

    The deck below the lower deck is known as ‘tween deck.

    B

    The deck below the main deck is known as ‘tween deck.

    C

    The deck above the main deck is known as ‘tween deck.

    D

    The deck below the lower deck is known as main deck.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    主甲板以下是二层甲板。（）

    • A、The deck below the lower deck is known as ‘tween deck.
    • B、The deck below the main deck is known as ‘tween deck.
    • C、The deck above the main deck is known as ‘tween deck.
    • D、The deck below the lower deck is known as main deck.

    正确答案:B

  • 第14题：

    If a vessel subject to PSC inspection, PSC Officer shall give the inspection to the Captain, the given timeframe for rectification of each deficiency is commonly given in a coded form which called “action code”, which code listed below is used for indication of detention of the vessel?（）

    • A、10
    • B、30
    • C、17
    • D、16

    正确答案:B

  • 第15题：

    Which one of the following answer choices below is true regarding the OSPF topology database?（）

    • A、All entries in the topology database will be included on each router.
    • B、All routers in the same OSPF area will have one topology database.
    • C、The Dijkstra algorithm is used in the creation of the topology database.
    • D、LSA packets are used to update and maintain the topology database.

    正确答案:D

  • 第16题：

    Which report style would you use to create a report listing each department and including a listing of employees beneath their respective department?（）

    • A、Group left. 
    • B、Form like. 
    • C、Matrix W/group. 
    • D、Group above. 
    • E、Mailing label. 
    • F、Form letter.

    正确答案:D

  • 第17题：

    单选题
    5a + 9b = 1415a-tb = 38For which of the following values of t will there be no solutions to the system of equations given above?
    A

    27

    B

    18

    C

    0

    D

    -18

    E

    -27


    正确答案： D
    解析：
    因为5a + 9b = 14，所3(5a + 9b)= 15a+27b=3× 14= 42，又因为15a-tb = 38，明显看出E项中t=-27不符合，因为当t=-27时，可得出15a+27b=38，又因为根据题干知15a+27b=42，故选E。

  • 第18题：

    单选题
    Which of the following statements is true regarding implementing Live Partition Mobility on two existing POWER6 based systems？ （）
    A

     The systems must use internal storage for boot purposes.

    B

     All virtualized Ethernet adapters must be numbered below 10.

    C

     The mobile partition’s network and disk access must be virtualized.

    D

     Each system must be controlled by a different Hardware Management Console （HMC）.


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    For which of the following equations is x = -2 a root?I. 2/x-4II. x2 + 4=0III. x2 + 4x +4 = 0
    A

    I only

    B

    II only

    C

    III only

    D

    I and III

    E

    II and III


    正确答案： C
    解析：
    For each Roman numeral equation, check whether -2 is a root.
    I. If (2/x)-x = 0, then 2/x =x. If x = -2, then 2/x = 2/-2 = -1 ≠ x. Hence, -2 is not a root of equation I.
    II. If x2+4 = 0, then (-2) 2+4 = 4+4≠ 0. Hence,-2 is not a root of equation II.
    III. If x2+4x+4 = 0, then (-2) 2+4(-2)+4 = 4-8+2 = 0. Hence, -2 is a root of equation III.
    Only equation III has -2 as one of its roots.

  • 第20题：

    单选题
    You have done a partial migration from 802.1D STP to 802.1w STP. Which of the following is true？（）
    A

    802.1D and 802.1w interoperate only when the 802.1D STP domain supports rapid convergence.

    B

    Ports leading to 802.1D devices will run in compatibility mode， while the rest of the ports will run in 802.1w mode.

    C

    This is an invalid configuration and a partial migration cannot be done.

    D

    The bridge timers will be set to match the 802.1D devices.

    E

    A secondary root bridge will always be populated within the 802.1D domain.

    F

    If the root bridge is selected within the 802.1D domain， the whole STP domain will run in 802.1D compatibility mode.

    G

    In partially migrated 802.1w networks， it is recommended to keep the STP diameter below 4.


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    There are（）NCSs in total, one in each ocean region, the AOR (E and W), IOR and POR.
    A

    3

    B

    2

    C

    1

    D

    4


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Excessive oil foaming in the crankcase of a refrigeration compressor is most likely to occur（） when the compressor.
    A

    has continuously for a long period

    B

    suction pressure is below normal

    C

    oil level is below normal

    D

    starts after a long idle period


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.
    A

    shear ram

    B

    blind ram

    C

    pipe ram

    D

    annular ram


    正确答案： B
    解析： 暂无解析

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