Question

求一次函数与反比例函数的交点求y=30/x与y=6x-24的交点

Answer 1

30/x=6x-24

x^2-4x-5=0

(x-5)(x+1)=0

x=5,x=-1

y=6,y=-30

交点为2个(5,6),(1,-30)