ONE QUESTION, ONE STEP
ZX-DB893F04B2Circles · 第 12 题
Circles · 原库模块 1 · Q12 原库参考解析
In the xy-plane, the graph of 2x2 - 6x + 2y2 +2y = 45 is a circle. What is the radius of the circle?
参考答案:
解题思路
容易忽略的一步
ONE QUESTION, ONE STEP
ZX-DB893F04B2Circles · 原库模块 1 · Q12 原库参考解析
In the xy-plane, the graph of 2x2 - 6x + 2y2 +2y = 45 is a circle. What is the radius of the circle?
参考答案:
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