If x is positive and y is two greater than the square of x, which of the following expresses x in terms of y?

admin2013-05-19 76

问题 If x is positive and y is two greater than the square of x, which of the following expresses x in terms of y?

选项 A、x=

B、x=

C、x=

D、x=y² + 2
E、x=y²-2

答案B

解析 The correct answer is B. When x is positive and y is two greater than the square of x, y=x² + 2. To find x in terms of y, solve the equation y=x² + 2 for x. First, subtract 2 from both sides to get x²=y-2. Then take the square root of both sides such that y-2 is thought of as a single quantity: x =

转载请注明原文地址:https://kaotiyun.com/show/iAkO777K

本试题收录于： GRE QUANTITATIVE题库GRE分类

GRE QUANTITATIVE

GRE

相关试题推荐

Whenwemeetaperson,ourfirstimpressionisbasedontheirbodylanguageandtheirspeech.Whensomeonegoesuponastage,o
Justasthelionrepresentsstrength,thepigeonis______peaceingeneralcases.
Doyouknowinsurance(保险)?Buyinginsuranceisa【C1】______bywhichpeoplecanprotectthemselvesagainstlargelosses.Protectio
Whichofthefollowingcanbeinferredfromthepassage?Accordingtotheauthor,whichofthefollowingquestionsisthebest
Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedscreaturesandmank
Frankfurt,Germany,isoneofthemost______populatedregionsinWesternEurope.
Frankfurt,Germany,isoneofthemost______populatedregionsinWesternEurope.
Thesumofthenon-primenumbersbetween40and50,non-inclusive,is
Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?
(a)Whatistheprimefactorizationof372?(b)Whatarethepositivedivisorsof372?

随机试题

行政复议是监督行政的一种制度化、规范化的()，也是国家行政机关系统内部为依法行政而进行自我约束的重要机制。
根据《医疗机构药事管理暂行规定》，医院药事管理委员会委员的组成不包括下列哪方面的人员
关于坚持“六个必须”原则，下列说法错误的有()。
下列关于代建制的说法中，正确的是()
在我国，项目经理是一个(　　)的名称。
行政法规、地方性法规、自治条例和单行条例、规章应当在公布后的()日内，依照《立法法》的规定报有关机关备案。
在会计核算的四个基本前提中，()规定了会计核算内容的空间范围。
产品最基本的层次是（）。
FahrenheitandCelsiusDanielGabrielFahrenheitandAndersCelsiusbothbeganworkontheirrespectivetemperaturescalesi
Theauthorreviewedhisson’spapersonenight

最新回复(0)

If x is positive and y is two greater than the square of x, which of the following expresses x in terms of y?

GRE QUANTITATIVE

GRE

Whenwemeetaperson,ourfirstimpressionisbasedontheirbodylanguageandtheirspeech.Whensomeonegoesuponastage,o

Justasthelionrepresentsstrength,thepigeonis______peaceingeneralcases.

Doyouknowinsurance(保险)?Buyinginsuranceisa【C1】______bywhichpeoplecanprotectthemselvesagainstlargelosses.Protectio

Whichofthefollowingcanbeinferredfromthepassage?Accordingtotheauthor,whichofthefollowingquestionsisthebest

Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedscreaturesandmank

Frankfurt,Germany,isoneofthemost______populatedregionsinWesternEurope.

Frankfurt,Germany,isoneofthemost______populatedregionsinWesternEurope.

Thesumofthenon-primenumbersbetween40and50,non-inclusive,is

Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?

(a)Whatistheprimefactorizationof372?(b)Whatarethepositivedivisorsof372?

行政复议是监督行政的一种制度化、规范化的()，也是国家行政机关系统内部为依法行政而进行自我约束的重要机制。

根据《医疗机构药事管理暂行规定》，医院药事管理委员会委员的组成不包括下列哪方面的人员

关于坚持“六个必须”原则，下列说法错误的有()。

下列关于代建制的说法中，正确的是()

在我国，项目经理是一个( )的名称。

行政法规、地方性法规、自治条例和单行条例、规章应当在公布后的()日内，依照《立法法》的规定报有关机关备案。

在会计核算的四个基本前提中，()规定了会计核算内容的空间范围。

产品最基本的层次是（）。

FahrenheitandCelsiusDanielGabrielFahrenheitandAndersCelsiusbothbeganworkontheirrespectivetemperaturescalesi

Theauthorreviewedhisson’spapersonenight

在我国，项目经理是一个(　　)的名称。