This is a performance task that uses the context of Punkin Chunkin to assess students understanding of quadratic equations and projectile motion. Students are given three sets of team data in the form of a graph, an equation, and a table. They must compare teams' height of pumpkin trajectory, distance of discharge, and tallest catapult a pumpkin was launched from. Methods used to solve the problem include completing the square , using the quadratic formula to find zeros, finding and evaluating a vertex, and unpacking the meaning of coefficients from quadratic equations in standard form.
4. For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship.?
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8. Write a function defined by an expression in different but equivalent forms to reveal and explain different properties of the function.
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a. Use the process of factoring and completing the square in a quadratic function to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a context.
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Build a function that models a relationship between two quantities
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1. Write a function that describes a relationship between two quantities ?
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a. Determine an explicit expression, a recursive process, or steps for calculation from a context.
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2. Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms.?
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IOER Community Rating: Not Rated