NO GRAPHING CALCULATORS.

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Presentation transcript:

NO GRAPHING CALCULATORS. Groups of three please NO GRAPHING CALCULATORS.

1 Change y = (x + 1)(x – 5) to vertex form.

2 A ball is thrown up in the air where the height is given by the equation A) How high was the ball when it was thown? B) How high will the ball get?

3 If the axis of symmetry for a quadratic is x=4 and one of the x- intercepts is (1,0) write the equation for this quadratic in standard. form. (assume a=1)

4 Which quadratic has the largest rate of change from x=1 to x=3?

5 The money needed to make a product can be modeled by Where x is the number of items made and f(x) is the cost. What is the minimum cost?

6 Give the interval of increasing for the following:

7 Solve the following. Please put solution in interval notation.