Graph - y + 1 = 0 by finding the x and y intercepts

Write the equation in slope-intercept form.

-y + 1 = 0

-y = - 1

y = 1

This function is a constant. Regardless of the x-value, y will always be equal to 1. This will be graphed as a horizontal line running through the y-intercept of (0, 1).