Question

What must be true about the slopes of two perpendicular lines, neither of which is vertical?
A The slopes are equal.
B The slopes have product 1.
C The slopes have product –1.
D One of the slopes must be 0.

Answer 1

A

Answer 2

thank you

Answer 3

Your welcome :)

Answer 4

Parallel lines have equal slope.

the slopes of two perpendicular lines have a product of -1, so C

Answer 5

sure ?

Answer 6

Yes.

Answer 7

Three security cameras were mounted at the corners of a triangular parking lot. Camera 1 was 110 ft from camera 2, which was 137 ft from camera 3. Cameras 1 and 3 were 158 ft apart. Which camera had to cover the greatest angle?