ok dinner D. water flowers49. TV station and newspapers bu...
线y=(x﹣2)2+1的与y轴交于点A(0,5),它的顶点为点B(2,1),设所求直线解析式为y=kx+b, ∴,解得:,∴所求直线解析式为y=﹣2x+5;92...
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