Precalculus linear equations

Up until now, we have been using the slope-intercept form of a linear equation to describe linear functions. Here, we will learn another way to write a linear function, the point-slope form . y − y

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1.3 Linear Equations – Pre-Calculus Slope-Intercept Form

Concepts: Solving Linear Equations, Sketching Straight Lines; Slope, Parallel Lines, Perpendicular Lines, Equations for Straight Lines. Solving Linear Equations and Inequalities An equation
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2.2 Graphs of Linear Functions

A linear function is a function whose graph is a line. Linear functions can be written in the slope-intercept form of a line where is the initial or starting value of the function
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