一いち次じ関かん数すう

noun

linear function

Mathematical term for a function of the form y = ax + b, where a and b are constants.

• 一いち次じ関かん数すうのグラフは直ちょく線せんになる。

  The graph of a linear function becomes a straight line.

• 中ちゅう学がく数すう学がくでは一いち次じ関かん数すうを学まなぶ。

  In junior high school math, we study linear functions.