Question
Mathematics Question on Straight lines
If the line y = mx + c is perpendicular to y=1+x and passes through the point (1, 2), then the value of c is equal to
A
1
B
-1
C
-3
D
3
E
0
Answer
3
Explanation
Solution
The correct option is (D) : 3
If the line y = mx + c is perpendicular to y=1+x and passes through the point (1, 2), then the value of c is equal to
1
-1
-3
3
0
3
The correct option is (D) : 3