Question

What is the equation, in slope-intercept form, of the line passing through (-a, b) and (b,-a)?

Answer 1

first find the slope

\[\frac{b-(-a)}{-a-b}\] or
\[\frac{b+a}{-a-b}\] or \[-1\]

Answer 2

then use the point slope formula

Answer 3

Thank you so much! :)