If the x-coordinates of the two x-intercepts of a parabola are 3–fff\(\sqrt2\)/...【小站备考】

Processing math: 100%

GRE®

登录注册

返回

Question 18 Selected one answer choice

收藏

笔记

反馈

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

If the x-coordinates of the two x-intercepts of a parabola are 3–

$\sqrt2$ and 5+

$\sqrt2$ , then what is the distance between them?

A.2–2 $\sqrt2$

B.2+2 $\sqrt2$

C.8+2 $\sqrt2$

D.2

E.8

我的答案：