ICSE Class X Math 2016 Solved Paper | Question 4

ICSE Class X Math 2016 Solved Paper

Show Para Hide Para

The slope of a line joining P(6,k) and Q(1− 3k,3) is ‌
1
2
. Find:

© examsnet.com

Question : 4

Total: 57

k

Solution:

Let P(6,k)=(x1,y1) and Q(1−3k,3)= (x2,y2)
∴‌‌‌ Slope of ‌PQ‌=‌

y2−y1

x2−x1

⇒‌‌‌

3−k

1−3k−6

‌=‌

1

2

6−2k‌=−5−3k
11‌=−k
k‌=−11

© examsnet.com

Go to Question:

Prev Question

Next Question