阶段一,阶段二,阶段三,学业分层测评,1/46,2/46,y,y,0,k,(,x,x,0,),y,kx,b,存在,3/46,坐标轴,坐标轴,原点,Ax,By,C,0,4/46,5/46,6/46,二元一次方程,一条直线,7/46,8/46,9/46,求直线点斜式方程,10/46,11/46,12/46,13/46,14/46,15/46,16/46,17/46,XXX,求直线斜截式方程,18/46,19/46,20/46,21/46,22/46,23/46,直线两点式方程,24/46,25/46,26/46,27/46,28/46,29/46,30/46,直线截距式方程应用,31/46,32/46,33/46,34/46,35/46,36/46,37/46,38/46,39/46,40/46,41/46,42/46,43/46,44/46,45/46,46/46,