# Lesson Plan: Equation of a Straight Line: General Form Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find and write the equation of a straight line in general form.

#### Objectives

Students will be able to

• identify the general form of the equation of a straight line as ,
• find the following properties of a straight line given in general form:
• the - and intercepts,
• a missing - or -coordinate for a point that lies on the line,
• the slope of the line,
• find the equation of a straight line in general form when given
• the - and intercepts,
• two arbitrary points that the line passes through,
• the slope of the line and a point that it passes through,
• convert the equation of a straight line into general form when it is given in
• slope–intercept form,
• point–slope form,
• standard form,
• two-intercept form.

#### Prerequisites

Students should already be familiar with

• equations of a straight line (although not necessarily the name and methods related to each form),
• finding the slope of a line from coordinates.

#### Exclusions

Students will not cover

• equations of curved lines,
• function notation.

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