find the ratio in which the two
Coordinate ares divide the line
segment Joining the points (-25)
and (1-9).
Answers
Step-by-step explanation:
11th
Maths
Straight Lines
Introduction
Find the ratio in which the...
MATHS
avatar
Asked on December 20, 2019 by
Lavadiya Rizwan
Find the ratio in which the y−axis divides the line segment joining the points (5,−6) and (−1,−4). Also find the point of intersection.
MEDIUM
Share
Study later
ANSWER
Let the point be A(5,−6), B(−1,−4) and P(0,y)
Point P is on y−axis,hence its x co-ordinate is 0.So, it is of the form P(0,y)
Now, we have to find ratio.
Let the ratio be k:1
Hence m
1
=k,m
2
=1,x
1
=5,y
1
=−6,x
2
=−1,y
2
=−4,x=0,y=0
Using sections formula x=
m
1
+m
2
m
1
x
2
+m
2
x
1
⇒0=
k+1
−k+5
∴k=5
Again y=
m
1
+m
2
m
1
y
2
+m
2
y
1
=
k+1
−4k−6
=
6
−20−6
for k=5
=
3
−13
Hence the coordiantes of point is P(0,
3
−13
)
Answer By
Answer:
Step-by-step explanation: