Chapter 2 - Functions, Equations, and Graphs - 2-4 More About Linear Equations - Practice and Problem-Solving Exercises - Page 86: 15

$y-2=5x$

Recall: The equation of a line whose slope is $m$ and passes through the point $(x_1, y_1)$ is: $$y-y_1=m(x-x_1)$$ Thus, the equation of the line whose slope is $5$ and passes through the point $(0, 2)$ is: \begin{align*} y-2&=5(x-0)\\ y-2&=5x \end{align*}