what is the value of the discriminant for the function f(x)=8x^2+13x+7?
问题描述：
what is the value of the discriminant for the function f(x)=8x^2+13x+7?
答
△=b^2-4ac=13*13-4*8*7=-55就这个？就这个 题目意思是函数 f(x)=8x^2+13x+7的判别式值是多少谢啦。。谢啦。不用谢请采纳