# How do you write an equation of a line with Slope -9 and y-intercept (0,5)?

Dec 14, 2016

$y = - 9 x + 5$

#### Explanation:

We should use the slope-intercept formula to solve this problem.

The point-slope formula states: color(red)((y = mx + c)
Where $m$ is the slope and $c$ is the y-intercept for the point $\left(0 , {y}_{1}\right)$.

Substituting the information provided we get the equation:

$y = - 9 x + 5$