SA3 marksYear: 2023MediumCBSE Class 10
coordinate-geometrysection-formulax-axis
Question
Find the ratio in which the line segment joining the points A(6,3) and B(−2,−5) is divided by x-axis.
Solution
1
Let P(x,0) be the point on x-axis which divides AB in the ratio k:1.
+0.5 marks2
Using section formula: k+1−5k+3=0⇒−5k+3=0.
+1.5 marks3
k=53. Ratio is 3:5.
+1 mark