单选题Which of the following is a solution to the equation X2-4x-32=0?A -12B -8C -4D 4E 12

题目

单选题

Which of the following is a solution to the equation X2-4x-32=0?

-12

-8

-4

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更多“单选题Which of the following is a solution to the equation X2-4x-32=0?A -12B -8C -4D 4E 12”相关问题

第1题：

过滤的流速一般取（）m/h。
- A、8~12
- B、4~8
- C、0~4
- D、12~16
正确答案:A
第2题：

公司、各单位、基层单位应分别实施违章记分管理。年内违章累积记分达（）分及以上的人员，公司对其进行“离岗培训”。
- A、12
- B、8
- C、4
- D、6
正确答案:A
第3题：

In an iostat report， which of the following options best describes the value of % tm_act？（）
- A、 The total CPU usage for this drive
- B、 The bandwidth utilization of the indicated drive
- C、 It can best be represented by the equation （%iowait - %ioidle）
- D、 It can best be represented by the equation （kilobytes read/kilobytes written） *100
正确答案:B
第4题：

果蝇生殖细胞的细胞核内有几条染色体：（）
- A、12
- B、8
- C、4
- D、2
正确答案:B
第5题：

安装金属衬板时，衬板四周应预备（）mm
- A、10～12
- B、5～8
- C、2～4
- D、12～16
正确答案:B
第6题：

RS3系统每个通讯板可安装（）块I/O模块卡
- A、12
- B、8
- C、4
- D、2
正确答案:D
第7题：

填空题
y = mx2In the equation above, m is a constant. If y = 32 when x = 4, then when y = 18, which of the following could be the value of x?____

正确答案： B
解析：
因为y = mx²，将x = 4, y = 32代入到等式中32 = m(4)²，2 = m，将y=18代入到y=2x²，2x²=9，x=-3或x=3。
第8题：

单选题
Which of the following equations has a solution in common with x2-2x-15=0?
A
x²-6x+9=0
B
x²+2x-15=0
C
2 x²+9x+9=0
D
2 x²+x-3=0
E
none of the above

正确答案： A
解析：
因为x²-2x-15=0，故x=5或-3，计算几个选项可知，本题选C项。
第9题：

单选题
In an iostat report， which of the following options best describes the value of % tm_act？（）
A
The total CPU usage for this drive
B
The bandwidth utilization of the indicated drive
C
It can best be represented by the equation （%iowait - %ioidle）
D
It can best be represented by the equation （kilobytes read/kilobytes written） *100

正确答案： A
解析：暂无解析
第10题：

单选题
Which of the following troubleshooting steps should be performed NEXT after a core router hasbeen reported down?（）
A
Implement a solution.
B
Establish the outage cause.
C
Identify all affected areas.
D
Test a solution.

正确答案： B
解析：暂无解析
第11题：

单选题
The Collaboration feature found in WebSphere Commerce Business Edition is provided by an integrated solution with which of the following？（）
A
LDAP
B
Lotus QuickPlace
C
WebSphere Portal Server
D
Tacton Configurator

正确答案： C
解析：暂无解析
第12题：

单选题
Which of the following statements best describes a Pre-sales Solution Assurance Review？（）
A
An account team proposal review
B
An installation planning meeting
C
A solution design development methodology
D
A technical inspection of a completed solution design

正确答案： B
解析：暂无解析
第13题：

管线吹扫时间一般最少为（）小时。
- A、12
- B、8
- C、4
- D、2
正确答案:C
第14题：

体心立方晶格的配位数为（）个。
- A、12
- B、8
- C、4
- D、2
正确答案:B
第15题：

Which of the following statements best describes a Pre-sales Solution Assurance Review？（）
- A、An account team proposal review
- B、An installation planning meeting
- C、A solution design development methodology
- D、A technical inspection of a completed solution design
正确答案:D
第16题：

Which of the following is the minimum number of drives in an RAID 0 configuration？（）
- A、 2
- B、 3
- C、 4
- D、 5
正确答案:A
第17题：

电除尘器停运（）h后，方可打开人孔门通风冷却。
- A、12
- B、8
- C、4
- D、2
正确答案:B
第18题：

单选题
A technician is looking for an emergency connection solution not reliant on local data or power services. Which of the following should the technician implement?（）
A
Satellite
B
ADSL
C
ISDN
D
OC-3

正确答案： A
解析：暂无解析
第19题：

单选题
For all real values of x and y, let x◆y be defined by the equation x◆y = 2 -xy. If -1 < a < 0 and 0 < b < 1, then which of the following must be true?
A
-2<a+b<-1
B
-l<a+b<0
C
0<a+b<l
D
l<a+b<2
E
2<a+b<3

正确答案： B
解析：
根据题干，发现a= -1/2, b =1/2满足已知条件，a◆b=2-ab，将a= -1/2, b =1/2代入进去，则(-1/2) ◆(1/2) = 2 - (-1/2)(1/2) = 2 + 1/4 = 2.25，故选E。
第20题：

单选题
Which of the following is a benefit of having a Solution Assurance？（）
A
The need to involve solution experts is removed
B
Financial justification of the proposal is enhanced
C
Time required to design a solution is decreased
D
Complex solutions are simplified considerably

正确答案： D
解析：暂无解析
第21题：

单选题
Which of the following phases is a high-level design proposed Cisco Unified Communications solution developed （）
A
Operate
B
Design
C
Plan
D
Prepare

正确答案： C
解析：暂无解析
第22题：

单选题
Which of the following is the minimum number of drives in an RAID 0 configuration？（）
A
2
B
3
C
4
D
5

正确答案： D
解析：暂无解析
第23题：

单选题
A customer is planning a combined solution of a 2 node SVC and DS8700 with 128x300 GB FC disks. During the TDA the reviewer compares the machine configuration with the customer’s expectations. Which of the following customer requirements must be considered（）
A
the number of SAN ports required by the solution
B
thin provisioning is mandatory
C
the solution needs to support RAID 0
D
the solution needs to be supported by the VMware Site Recovery Manager

正确答案： D
解析：暂无解析

单选题Which of the following is a solution to the equation X2-4x-32=0?A -12B -8C -4D 4E 12

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更多“单选题Which of the following is a solution to the equation X2-4x-32=0?A -12B -8C -4D 4E 12”相关问题

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