Graphing Lines Using Slope-Intercept Form

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Presentation transcript:

Graphing Lines Using Slope-Intercept Form 4.6 Goal Graph a linear equation in slope-intercept form Key Words slope y-intercept slope-intercept form parallel lines

SLOPE-INTERCEPT FORM OF THE EQUATION OF A LINE The linear equation y = mx + b is written in slope-intercept form where m is the slope and b is the y-intercept. y = mx + b y = 7x + 6 y = 2/5 x – 3

Graph the equation y = -3x + 2 EXAMPLE 1 Graph an Equation in Slope-Intercept Form Graph the equation y = -3x + 2 y x

Graph the equation y = x + 5 Checkpoint Graph Linear Equations Graph the equation y = x + 5 y x

Graph the equation y = 3 – 2x Checkpoint Graph Linear Equations Graph the equation y = 3 – 2x y x

Checkpoint Graph Linear Equations Graph the equation y x