多选题Which two of the following are NOT solutions of (x-5) (x-3) (x-9) (x+9) =0?A-9B-5C-3D3E5F9

题目
多选题
Which two of the following are NOT solutions of (x-5) (x-3) (x-9) (x+9) =0?
A

-9

B

-5

C

-3

D

3

E

5

F

9

参考答案和解析
正确答案: D,A
解析:
要想(x-5) (x-3) (x-9) (x+9) =0,只需x-5=0,或x-3=0,或x-9=0,或x+9=0,因此x可以是5,或3,或9,或-9。选项中只有B、C不符合条件。
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相似问题和答案

第1题:

In which two ways do TANDBERG and Cisco TelePresence solutions interoperate? ()

A.gated

B.integrated

C.bridged

D.converted

E.spanned


参考答案:B, C

第2题:

Which of the following solutions will detect and disable a rogue access point?()

  • A、Port scan
  • B、Packet sniffer
  • C、IPS
  • D、IDS

正确答案:C

第3题:

Which of the following RAID levels requires ONLY two drives and provides mirroring?()

A.RAID0

B.RAID1

C.RAID5

D.RAID10


参考答案:B

第4题:

Which two companies are major competitors to IBM Maximo Asset Management solutions?()

  • A、SAP
  • B、Oracle
  • C、Candle
  • D、Informix
  • E、Computer Associates

正确答案:A,B

第5题:

In which two ways do TANDBERG and Cisco TelePresence solutions interoperate? ()

  • A、gated
  • B、integrated
  • C、bridged
  • D、converted
  • E、spanned

正确答案:B,C

第6题:

When delivering the results of a Solutions Recommendation, which two of the following components should be included in the solutions presentation?()

  • A、additional partner services
  • B、the Value Assessment
  • C、the Discovery Guide
  • D、the benefits of your solution
  • E、employee concerns

正确答案:B,C

第7题:

Given the following code:     if (x>0) {  System.out.println("first");  }     else if (x>-3) {  System.out.println("second");  }     else {  System.out.println("third");  }  Which range of x value would print the string "second"?()    

  • A、 x > 0
  • B、 x > -3
  • C、 x <= -3
  • D、 x <= 0 & x > -3

正确答案:D

第8题:

Which of the following solutions will detect and disable a rogue access point?()

A.Port scan

B.Packet sniffer

C.IPS

D.IDS


参考答案:C

第9题:

Which of the following RAID levels requires ONLY two drives and provides mirroring?()

  • A、RAID0
  • B、RAID1
  • C、RAID5
  • D、RAID10

正确答案:B

第10题:

多选题
In a RSTP implementation, which of the following two link types are used? ()(Choose two.)
A

Shared

B

Point-to-Point

C

Designated

D

Multiaccess non-broadcast


正确答案: D,C
解析: 暂无解析

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