A. (2012金东区一模)已知:如图,直线y=kx+b与x轴交于点A(8,0),与y轴交于点B(0,16),与直线y=x相
(1)∵直线y=kx+b与x轴交于点A(8,0),与y轴交于点B(0,16),∴