Quod Erat Demonstrandum

2011/04/24

y-intercept

Filed under: Junior Form Mathematics — johnmayhk @ 2:11 下午
Tags:

一道基本的初中數學問題:

Find the y-intercept of y=2x+3.

同學,你的答案是 3 嗎?

但看看 mathworld 和 wiki:

http://mathworld.wolfram.com/y-Intercept.html

http://en.wikipedia.org/wiki/Y-intercept

似乎答案是

(0,3)

難道我一直都教/學錯?

3 則迴響 »

  1. 咁大獲?!

    迴響 由 yU — 2011/04/24 @ 4:00 下午 | 回覆

  2. 呀…我還一直提醒學生不要寫(0,3)…

    迴響 由 皮旦 — 2011/04/24 @ 8:11 下午 | 回覆

  3. Schaum’s Outline of theory and problems of geometry
    adopted our “usual" HK Convention

    迴響 由 路人甲 — 2011/05/05 @ 9:51 上午 | 回覆


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