5-5 WRITING THE EQUATION OF THE LINE MISS BATTAGLIA – GEOMETRY CP OBJECTIVE: WRITE AN EQUATION GIVEN THE SLOPE OF A POINT; WRITE AN EQUATION GIVEN TWO.

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5-5 WRITING THE EQUATION OF THE LINE MISS BATTAGLIA – GEOMETRY CP OBJECTIVE: WRITE AN EQUATION GIVEN THE SLOPE OF A POINT; WRITE AN EQUATION GIVEN TWO POINTS FROM A GRAPH OR A TABLE.

WARM UP How are the graphs of the equations below alike? How are the different? y=3x+5 y=(2/3)x+5 y=(3/5)x+5

ENVIRONMENT World-wide carbon monoxide emissions are decreasing about 2.6 million metric tons each year. In 1991, carbon monoxide emissions were 79 million metric tons. Use a linear equation to model the relationship between carbon monoxide emissions and time. Let x = 91 correspond to 1991.

EXAMPLE Write an equation for the line.

FIND THE EQUATION OF THE LINE.

EXAMPLE If the relationship shown by the data linear? If it is, write an equation. x y

EXAMPLE If the relationship shown by the data linear? If it is, write an equation. x y

HOMEWORK P. 238 #1-13