Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A negative function is a mathematical equation or graph where all its y-values are less than zero (negative). It shows values below or beneath the x-axis.
Related terms
Positive Function: A positive function is opposite to a negative function, where all its y-values are greater than zero (positive). It shows values above or over the x-axis.
X-intercept: An x-intercept refers to points where a graph intersects with or crosses over the x-axis, indicating where its y-value equals zero.
Reflection about X-Axis: Reflection about X-Axis is a transformation that flips a graph or shape upside down, changing positive values to negative ones and vice versa.