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The graph of is a parabola with a focus of and a directrix of , and represents a transformation of . If the vertex of the graph of ) is , which of these is a possible equation for for nonzero integers a and b?

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The Praxis Mathematics (5165 ) Exam is a test required by many states for credential candidates planning to teach mathematics at the high school level. It is a single, computer-delivered test that includes questions from two content categories.

The first content category includes Number and Quantity, Algebra, Functions and Calculus. The second content category includes Geometry, Probability and Statistics, and Discrete Mathematics.

The test consists of various question types including selected-response, numeric entry, drag-and-drop and text completion.


The graph of <img src='https://www.fatskills.com/images3/praxismath/image_017_072.png'/> is a parabola with a focus of <img src='https://www.fatskills.com/images3/praxismath/image_017_073.png'/> and a directrix of <img src='https://www.fatskills.com/images3/praxismath/image_017_074.png'/>, and <img src='https://www.fatskills.com/images3/praxismath/image_017_075.png'/> represents a transformation of <img src='https://www.fatskills.com/images3/praxismath/image_017_072.png'/>. If the vertex of the graph of <img src='https://www.fatskills.com/images3/praxismath/image_017_076.png'/>) is <img src='https://www.fatskills.com/images3/praxismath/image_017_077.png'/>, which of these is a possible equation for <img src='https://www.fatskills.com/images3/praxismath/image_017_075.png'/> for nonzero integers <i>a</i> and <i>b</i>?






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