Determine the relationship between the lines that pass through the given points:
Line A: (-3, 5) and (0, 7) Line B: (6, 2) and (9, 4)
A. they are perpendicular
B. they are parallel
C. they are the same line
D. they have no relations

Question

Determine the relationship between the lines that pass through the given points:
Line A: (-3, 5) and (0, 7) Line B: (6, 2) and (9, 4)
A. 	they are perpendicular
B. 	they are parallel
C. 	they are the same line
D. 	they have no relations

anonymous · Answer

is this dot product or cross product ?

anonymous · Answer

(-3 * 0) - (7 * 5) = -35
(6 * 9) - ( 4 * 2) = 46

thats there cross product.

anonymous · Answer

i think they want a cross product

anonymous · Answer

perpendicular is the sum of the cross product is = 0