题目内容双击单词支持查询和收藏哦~
收藏
纠错
Quantity A
$$The sum of the roots of x^{2}-9x+20=0$$
Quantity B
$$x^{2}+6x+8=0$$
-
A.Quantity A is greater.
-
B.Quantity B is greater.
-
C.The two quantities are equal.
-
D.The relationship cannot be determined from the information given.
A显示答案