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The lesson begins with a situation where the height of a pop fly in baseball is modeled using a quadratic equation.

The lesson begins with an exploration of the family of graphs of \(y = ax^2\), with an emphasis on tracking the changes in the \(y\)-values for differing values of the parameter \(a\).

This lesson introduces completing the square as a means of expanding the set of quadratic equations that may be solved beyond the extraction of roots and factoring.

Completing the square is applied to the general quadratic to derive the quadratic formula.

This lesson begins with a review of the vertex formula for a quadratic and looks at two quadratics- one a vertical shift of the other- to verify that correct vertex is obtained for any quadrati

The lesson begins with using graphs to solve quadratic inequalities.

Beginning with linear functions, this lesson looks at functions of real world data defined by tables and graphs before moving into functions defined by equations.

The lesson begins with graphs of the Dow Jones Industrial Average and water levels of Lake Huron where points on the graph are interpreted.

Begins with the slope-intercept equation of a line and then introduces the coordinate formula for slope before the introduction of the point-slope equation of a line.
Treating slope as a rate of change of two quantities with different units. There are both applications based examples and non contextual examples.

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