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Date: Graphing Quadratic Functions/Inequalities Quiz Show all work for full credit. (No work is -25 points) Find the axis of symmetry for the following quadratic functions: 1. f(x) = 2x2 +8x -1 X f ( x ) = (x+ 1) 2 -4 14 X = 8 a. x =-1 10 b x =-2 b. x=0 2 0 C. X = -1 C. X = -4 d. x = 2 d. x =1 True/False: false 3. The y-intercept of f (x) = 3x2 + 2x - 5 is (-5,0) true . 4 . The quadratic parent function is y = x2 true The vertex of the function, f (x) = -2(x + 1)2 + 3, is a minimum point. Match the quadratic inequalities below to the type of line and shading you would use when graphing by drawing a line from the inequality to the description: 6. y 6(x - 7)2 Dashed Line, Shaded Below yS-5x2 - 1 Solid Line, Shaded Above Select the correct domain and range for the given graphs of quadratic functions: 10 -51 a. D : ( -00, 00 ) R : ( - 00 , 00 ) D: (-00, 00) R: [0, 00) b. D: (-00, 00) R: (-00, 2 ] D: [-3, 00) R: (-00, 00) C. D : (0, 00) R: (-00, 00) D: (-00, 00) R: ( -00, 00 ) D: (-00, 2 ] R: (-00, 00 ) d. D: (-00, 00) R: [-3,00)Graphing Quadratic Functions/Inequalities Quiz Graph the quadratic function and be sure to fill in ALL the blanks for key features: 9. f (x) = x2 + 4x - 5 G a= b = W C= A.O.S. y-int:(0 ] - S) (at 14 ( 2 ) - 5 Vertex: (-2)-7) Max or Min (circle one) 7 10. f (x) = (x -2)2+3 X A.O.S: 6 -3 1. SX Vertex: ( 1 . 5. 3.25 7x y -int : ( 0 , 1 5 )X Max or Min (circle one) | X