❤️Math Follow Me and Practice everyday 💯
🤔️Topic Today：Slope？求斜率的两种方法👍
🚩Key Terms
▶️using graph用图形，similar triangles相似三角形，height(rise)高，base(run )底
▶️Positive slope斜率为正，going up上升，Negative Slope斜率为负，going down下降
▶️using the equation of the line in the slope- intercept form使用斜截式的直线方程
