The function f(t) = t2 + 12t − 18 represents a parabola.

Part A: Rewrite the function in vertex form by completing the square. Show your work. (6 points)

Part B: Determine the vertex and indicate whether it is a maximum or a minimum on the graph. How do you know? (2 points)

Part C: Determine the axis of symmetry for f(t). (2 points)

Question

The function f(t) = t2 + 12t − 18 represents a parabola.

Part A: Rewrite the function in vertex form by completing the square. Show your work. (6 points)

Part B: Determine the vertex and indicate whether it is a maximum or a minimum on the graph. How do you know? (2 points)

Part C: Determine the axis of symmetry for f(t). (2 points)

civicsiscool44 · Answer

@ganeshie8

trojanpoem · Answer

(t+6)^2 - 36-18 = y 

y = (t+6)^2 - 54

center is (-6, -54)

 |dw:1462310437752:dw|

vertex is (h,k+a )

is ( -6, -54 + 1/4)

axis of symmetry is 

y = -54. x = -6