Question

Find the value of p when the line through the points (2, 2) and (5, 7) is perpendicular to the line 3x + py - 9 = 0 .

Answer 1

Answer:

-5

Step-by-step explanation:

slope of line passing through 2 given points is 5/3. and perpendicular line being 3/p. since both of them are perpendicular both slopes multiplied gives -1.