求教GRE数学：twice the square of x equals 5 more than the product of 3 and x 问：比较x和1的大小

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/14 20:06:56
求教GRE数学：twice the square of x equals 5 more than the product of 3 and x 问：比较x和1的大小
xŐ?O@ƿH*mMS 5(b D!.pDce_$Y{> Dyh҆GA㤊G*ʜCE!2 $xt[%膖%Kt (ԭW]$OCՄۅ. Б5Yq& =<З}[_b8ePf!n#Si8h~ixR :#2Wd< rCwNj}^&+iiYX ~'+2dóHXUyI%Nе ܵNM*O,+xe"HɣN/|{آ~/H<

求教GRE数学：twice the square of x equals 5 more than the product of 3 and x 问：比较x和1的大小
求教GRE数学：twice the square of x equals 5 more than the product of 3 and x 问：比较x和1的大小

求教GRE数学：twice the square of x equals 5 more than the product of 3 and x 问：比较x和1的大小
2x2=5+3x 解二次方程,（2x-5）（x+3）=0 x=5/2 or x=-3 所以答案选不确定
主要是读句子要读懂

选A，X大于1，2倍X二次方=5>3X，诚然X是大于1的

答案是不确定X一旦平方了就要考虑到正负的问题。

求教GRE数学：twice the square of x equals 5 more than the product of 3 and x 问：比较x和1的大小 Gre数学. 求教选择题:The workers in this factory are ( ) as in that one.谢谢!A. as twice many B. as many twice C. twice as many D. twice many as the film_________(see)twice GRE数学考多久 gre数学难不难 gre数学低怎么办 【GRE】数学 如图 GRE数学.15题 Gre数学.22题 GRE数学怎样备考 数学求教求教求教数学求有算式 he_______ (read) the novel twice your head feels twice the I (see)the film twice. GRE 猴哥112数学难题, gre数学.124求解答 GRE数学主要考什么?