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Direct Variation Chapter 5 Section 2. Objective  Students will write and graph an equation of a direct variation.

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Presentation on theme: "Direct Variation Chapter 5 Section 2. Objective  Students will write and graph an equation of a direct variation."— Presentation transcript:

1 Direct Variation Chapter 5 Section 2

2 Objective  Students will write and graph an equation of a direct variation.

3 Direct Variation  A relationship that can be represented by the function in the form y = kx where k does not equal 0  A relationship where the independent variable is effected only by slope (y-intercept is 0)  A relationship that can be represented by the function in the form y = kx where k does not equal 0  A relationship where the independent variable is effected only by slope (y-intercept is 0)

4 Constant of variation  It is represented by K  It will be the coefficient of the independent variable.  It is represented by K  It will be the coefficient of the independent variable.

5 Turn to page 301…  Look at Problem 1, Problem 2 and Problem 3

6 Graph of Direct Variation  The graph of a direct variation equation is a line with the following properties  The line passes through (0,0)  The slope of the line is k  The graph of a direct variation equation is a line with the following properties  The line passes through (0,0)  The slope of the line is k

7 On Page 304…  Try problems #1-8.


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