pp-T2-DS43

由 **Huang Hsin-Yi** » 2008-01-23 11:19

43. 3416-!-item-!-187;#058&003281
Circle C and line k lie in the xy-plane. If circle C is centered at the origin and has radius 1, does line k intersect circle C ?

(1)the x-intercept of line k is greater than 1
(2) the slope of line k is -1/10

Ans:E

請問思路要從那裡抓? ^o)

由 **Huang Hsin-Yi** » 2008-01-24 22:31

尋找救星

由 **amyliang** » 2008-03-01 00:19

http://www.formosamba.com/phpBB3/viewtopi ... .+++circle

由 **Huang Hsin-Yi** » 2008-03-01 10:03

謝謝,我懂了

pp-T2-DS43

pp-T2-DS43

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