Pre-Calculus Practice Problem 52

Pre-Calculus Practice Problem 52 - i ii iii(a matches with...

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Unit 2, Activity 1, A Review of the Quadratic Function with Answers Blackline Masters, Advanced Math-PreCalculus Page 50 Louisiana Comprehensive Curriculum, Revised 2008 1. In each of the quadratic functions below determine the nature of the zeros of the function. a) 4 2 ) ( 2 + = x x x f b) 4 4 ) ( 2 + = x x x f c) 4 6 ) ( 2 + = x x x f a) ac b 4 2 < 0; no real roots b) ac b 4 2 = 0; 1 real root, a double root c) ac b 4 2 > 0; 2 real roots 2. The graph of each of the functions whose equations appear in #1 is shown below. Use the information about the zeros that you found in #1 to match each function to its graph.
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Unformatted text preview: i ii iii (a) matches with i; (b) matches with iii; (c) matches with ii 3. Each of the following is a translation of the graph of the function f( x ) = x 2 . Write the equation for each in standard form. Use a graphing utility to graph the equation and verify your result. (a) (b) (c) a) 2 ) 3 ( ) ( − − = x x f b) 4 ) 2 ( ) ( 2 + − − = x x f c) 5 ) 2 ( ) ( 2 + + = x x f...
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