将二次三项式 2x²-3x+5配方 正确的是A (x-3/4)²+31/16 C 2(x-3/4)²+31/16 D 2(x-3/4)²+31/8
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 03:06:48
![将二次三项式 2x²-3x+5配方 正确的是A (x-3/4)²+31/16 C 2(x-3/4)²+31/16 D 2(x-3/4)²+31/8](/uploads/image/z/5899426-34-6.jpg?t=%E5%B0%86%E4%BA%8C%E6%AC%A1%E4%B8%89%E9%A1%B9%E5%BC%8F+2x%26%23178%3B-3x%2B5%E9%85%8D%E6%96%B9+%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA+%EF%BC%88x-3%2F4%EF%BC%89%26%23178%3B%2B31%2F16+C+2%28x-3%2F4%29%26%23178%3B%2B31%2F16+D+2%28x-3%2F4%EF%BC%89%26%23178%3B%2B31%2F8)
将二次三项式 2x²-3x+5配方 正确的是A (x-3/4)²+31/16 C 2(x-3/4)²+31/16 D 2(x-3/4)²+31/8
将二次三项式 2x²-3x+5配方 正确的是
A (x-3/4)²+31/16 C 2(x-3/4)²+31/16 D 2(x-3/4)²+31/8
将二次三项式 2x²-3x+5配方 正确的是A (x-3/4)²+31/16 C 2(x-3/4)²+31/16 D 2(x-3/4)²+31/8
d