### Home > CCA2 > Chapter 1 > Lesson 1.1.2 > Problem1-15

1-15.

Nafeesa graphed a line with a slope of 5 and a y−intercept of (0, −2). Homework Help ✎

1. Find an equation for her line.

Use the $y=mx+b$ format and substitute the numerical values for the slope and y-intercept.

$y=5x−2$

2. Find the value of x when $y=0$.

Substitute 0 for y.

$5x−2=0$

Solve.

$x=\frac{2}{5}$