Question

find the value of x if P(x,y) divides the lines joining.
(A). (7,-5)
(B). (2,-1)
in the ratio 4:1​

Answer 1

Answer:

$x = \frac{7 \times 1 + ( - 5) \times 4}{4 + 1} \\ = \frac{7 - 20}{5} = - \frac{13}{5} = - 2.6$