Linear Functions and Equations Exercises

Is the following graph a linear function?

Is the following graph a linear function?

Is the following graph a linear function?

Is the following graph a linear function?

Is the following graph a linear function?

Determine whether the following is a linear equation: 4x + 2y = 5.

Determine whether the following is a linear equation: x = 4.

Determine whether the following is a linear equation: x² + y² = 4.

Graph the following linear equation: y = -1.

Graph the following linear equation: x = -1.

Graph the following linear equation: y = -3x – 1.

Graph the following linear equation: y = 2x – 3.

Graph the following linear equation: y = -x + 5.