Question 1 of 3hard
Est. ~75s
For the quadratic function f(x) = 2x^2 - 12x + k, the graph in the xy-plane has a vertex at (h, -5). What is the value of constant k?
Skill Tested:Vertex form and quadratic vertex coordinates formula
Select Answer ChoiceKeyboard: A-D
A
13
B
18
C
-5
D
23