A line passes through (x1,y1) and (h,k). If the line is m, show that k

1.	A line passes through (x1,y1) and (h,k). If the line is m, show that k--y1=m(h--x1).
Answer» m=k-Y1/h-X1m(h-X1)=k-Y1 According to formulam=y2-y1/x2-x1we get m=k-y1/h-x1By cross multiplication(k-y1)=m(h-x1)

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