2026年9月国际A卷 · 第 19 题

2026年9月国际A卷 · 原库模块 3 · Q19 参考答案

The graphs of two linear equations are shown. A third linear equation is graphed in this xy-plane such that all three lines intersect at exactly one point. Which of the following could be the third linear equation?
I. \( 16x+8y=-7 \) 
II. \( -8x+16y=-1 \)