Substitute each value of 𝒙 to find the 𝒚 values using the equation 𝒚 = 𝒙². This means that 𝒙 is multiplied by itself. (-3)² = 9, (-2)² = 4, (-1)² = 1, 0² = 0, 1² = 1, 2² = 4 ...

You can also choose a 3-D chart to add some aesthetic texture to the graph. These different graph options are relatively easy to create in Excel when you're looking to visually represent a data range.