Question

if two lines are parallel their slopes are ____________ the same. negative reciprocals of each other.

Explanation:

Parallel lines have equal slopes. If the slope of one line is \(m_1\) and the slope of another line is \(m_2\), for the lines to be parallel \(m_1 = m_2\). Negative reciprocals of each other are for perpendicular lines.

Answer:

the same.