Algebra 2 8-1 Direct, Joint, and Inverse Variation.

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Presentation transcript:

Algebra Direct, Joint, and Inverse Variation

Graphing Inverse Variation Activity Groups of 1 to 3 Complete the handout Supplies –Graph Paper –Scissors –Glue Sticks –Rulers

Activity

Cut up the graph paper (in rectangles of 30) and paste onto a graph lower left corner in the origin Connect the upper right corners into a graph, draw the line Complete the questions on the form #3 is to create another graph of 48 units Skip #6

Activity

Activity

Vocabulary - Review Direct Variation Function – A function that can be modeled with the equation y = kx. Inverse Variation Function – A function that can be modeled with the equation y = k/x, also xy = k; where k does not equal zero.

Inverse Variation - Example

Inverse Variation - Practice

Inverse Variation - Example

Inverse Variation - Practice

Vocabulary - New Combined Variation – When one quantity varies with respect to two or more variables.

Inverse Variation - Example

Vocabulary - Review Reciprocal Function – The parent function of the inverse variation family of curves f(x) = 1/x.

Practice Problems

Homework Pages 573 – , 13 – 15, 23, 25, 32 – 36, 40, 49