Answer: Ratio 2 : 5 and k = 6
Let AP : PB = \(m:n\). Using the y-coordinate:
\[7=\frac{2m+9n}{m+n}\ \Rightarrow\ 7m+7n=2m+9n\]
\[5m=2n\ \Rightarrow\ m:n=2:5\]
Now the x-coordinate:
\[k=\frac{2(1)+5(8)}{7}=\frac{42}{7}=6\]
Answer: Ratio 2 : 5 and k = 6
Let AP : PB = \(m:n\). Using the y-coordinate:
\[7=\frac{2m+9n}{m+n}\ \Rightarrow\ 7m+7n=2m+9n\]
\[5m=2n\ \Rightarrow\ m:n=2:5\]
Now the x-coordinate:
\[k=\frac{2(1)+5(8)}{7}=\frac{42}{7}=6\]
Log in or create a free account to answer this question.