ONE QUESTION, ONE STEP
ZX-A72F8C19D2Bluebook试题1 · 第 22 题
Bluebook试题1 · 原库模块 1 · Q22 原库参考解析
查看全部 2 条题源记录
- Bluebook试题1 · 原库模块 1 · Q22
- one variable and systems of equations in two variables · 原库模块 1 · Q8
In the xy-plane, a line with equation 2y = c for some constant c intersects a parabola at exactly one point.If the parabola has equation y = -2x2+9x, what is the value of c?
参考答案：
解题思路
容易忽略的一步
