Home > INT1 > Chapter 5 > Lesson 5.3.2 > Problem5-104

5-104.

Write the equation of the line parallel to $y=-\frac { 1 } { 3 }x + 5$ passing through the point $(9, –1)$.

Parallel lines have equal slopes. Use $y = mx + b$ where $m =$ slope of the given line.

Use the given point to find the $y$-intercept.
$-1=-\frac{1}{3}(9)+b$

$y=-\frac{1}{3}x+2$