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Graphing Points on a Line Slope Y-Intercept Equation of a Line. X Axis = Y Axis = (2, 5) (2, -5) (-2, 5) (-2, -5). Y. Graphing Coordinates:. X. X Axis = Y Axis =. Y. Graphing Coordinates:. X. Slope (m) = (y) – (y) (x) – (x).
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X Axis = Y Axis = (2, 5) (2, -5) (-2, 5) (-2, -5) Y Graphing Coordinates: X
X Axis = Y Axis = Y Graphing Coordinates: X
Slope (m) = (y) – (y) (x) – (x) m = (y) – (y) (x) – (x) #1 #2
Key Terms For Slope: Slope = m = the degree in which a line changes going vertically and horizontally. Positive (+) Negative (-) Slope = 0 Slope = Undefined
Key Terms For Equation of a Line: Slope = m = the degree in which a line changes going vertically and horizontally. Y-Intercept = b = Where the line crosses the Y-Axis. Positive (+) Negative (-) Slope = 0 Slope = Undefined
Equation of a line:y = mx + b Key: y = y m= Slope x = x b= Y-intercept y = mx + b y = ( )x + ( ) y = x +
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( )
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( ) #1) Find the Slope, The Y-intercept, & Write the Equation Of a line for a line With these Coordinates: (6, 10) & (0, 4)
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( ) #2) Find the Slope, The Y-intercept, & Write the Equation Of a line for a line With these Coordinates: (0, -8) & (-6, 5)
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( ) #3) Find the Slope, The Y-intercept, & Write the Equation Of a line for a line With these Coordinates: (7, 12) & (0, -2)
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( ) #4) Find the Slope, The Y-intercept, & Write the Equation Of a line for a line With these Coordinates: (0, 14) & (14, 14)
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( ) #5) Find the Slope, The Y-intercept, & Write the Equation Of a line for a line With these Coordinates: (4, 4) & (4, -4)
Slope, Y-Intercept & Equation of a Line ❶ Slope m= y– y x - x m = ( ) – ( ) ( ) – ( ) m = ( ) ( ) ❷ Y-intercept b = ( ) ❸ y = mx + b y = ( )x + ( ) #6) Find the Slope, The Y-intercept, & Write the Equation Of a line for a line With these Coordinates: (0, 9) & (5, 7)