A line has slope=-2/3 and y-intercept=120.What is the x-intercept_数学解答

A line has slope=-2/3 and y-intercept=120.What is the x-intercept of this same line?

人气：344 ℃　时间：2020-04-16 11:01:25

解答

假设函数：y=kx+b,由题目可得：y=-2/3x+b 当y=0时,x上的截距=180