2( )(1)5f xxwhich way does it open?_______________Has a MAX or MIN?_______________ Vertex: _________________Axis of Symmetry:_______________Max / Min value:________________Use the info to sketch the graph:Page 16 of 18U4 D9: Review for Unit 4 Test A

5. 2( )65f xxxwhich way does it open?_______________Has a MAX or MIN?_______________ Vertex: _________________Axis of Symmetry:_______________Max / Min value:________________Use the info to sketch the graph:6. Here’s a graph…tell me the info:Which way does it open?Has a MAX or MIN?_________Vertex: _________Axis of Symmetry:________Max / Min value:y-intercept:____________x-intercepts:__________Given that a= -1, write the equationin vertex form:__________________________7. Factor each of the following.a) 3239276xxxb) 226xx______________________________________________________Page 17 of 18

c) 25124xxd) 242025xx_________________________________________________________e) 28116xf) 2376xx__________________________________________________________8. For each problem below, you are given the roots of an equation. Find the factors, then write the equation in standard form.a) 3 and – 4b) -17 and –5 ____________________________________________________9. Use your calculator to find the following information for the quadratic function 2( )485f xxxVertex is________________zeros are _________________10. The late great Mr. Rogers dropped a ball in the Land of Make Believe off the top of the castle that has a height of 50ft. a)Write a function that describes the position of the ball as a function of time. b)Determine when the ball hits the ground..Page 18 of 18