How do you graph #y=-1#? Algebra Graphs of Linear Equations and Functions Graphs in the Coordinate Plane 1 Answer Aviv S. Mar 3, 2018 The line #y=-1# is just a horizontal line at the #y#-value #-1#. It looks like this: graph{0x-1 [-2.385, 2.48, -2.092, 0.342]} Answer link Related questions What is polar cis form? How do you draw and label a coordinate plane? How are coordinate plane quadrants numbered? Why is the coordinate plane called cartesian? How do you plot points on the coordinate plane? Where is the origin? Which quadrant does (2,0) lie? How do you plot (-2, 8)? How do you create a table and graph the equation #y=2x-1#? How can graphs be used in real life? See all questions in Graphs in the Coordinate Plane Impact of this question 1686 views around the world You can reuse this answer Creative Commons License