[計量] pp3做到的問題
For the line with equation y=ax+b, ab=0,
the x-intercept is twice the y-intercept.
A) the slope of the line
B) 1/2
答案是相同 不太清楚怎麼算的@@
x截距是y截距的兩倍
斜率不是可以1/2 和 -1/2嗎??
麻煩強者解答了~
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