Linear Functions and Equations Exercises

Example 1

Is the following graph a linear function?

Example 2

Is the following graph a linear function?

Example 3

Is the following graph a linear function?

Example 4

Is the following graph a linear function?

Example 5

Is the following graph a linear function?

Example 6

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

Example 7

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

Example 8

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

Example 9

Graph the following linear equation: y = -1.

Example 10

Graph the following linear equation: x = -1.

Example 11

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

Example 12

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

Example 13

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