Question

Determine whether the graph of the pair of equations is parallel, perpendicular, or neither.

y=--1/3x+2
y=3x-5
Select one:
a. parallel
b. perpendicular
c. neither

Answer 1

`y=mx+b`

`m_1=-(1)/(3)`

`m_2=3`

`m_1=(-1)/(m_2)=(-1)/(3)`
Therefore the lines are perpendicular.