In what ratio is the line joining A(8,9) and B(7,−4) is divided by the x−axis?
A
9:4 (externally)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
9:4 (internally)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
4:9 (externally)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4:9 (internally)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B9:4 (internally) Let x−axis divide the line in m1:m2 ratio For x−axis ,y−coordinate is zero,therefore from section formula we get m1y2+m2y1m1+m2=0⟹m1×(−4)+m2×9=0 now m1m2=94 and as ratio is positive It is dividing internally.