11)in the quadratic function f() = 3(x + 2)2 - 6, what is the constant term? A. 6 B. 12 C. -6 D.-12


12)Which of the following equation is equivalent to f(x) = 2(x - 1)2 +5?
A. f(x)=2x2 - 4x + 7
C. f(x) = 2x2 + 4x - 7
B. f(x) = 2x2 - 4x - 7
D. f(x) = 2x² + 4x +7


13) The quadratic function f(x) = x² + 4x - 1 when expressed in vertex form f(x) = a(x - h)2 + k is ?
A. f(x) = (x + 2)+5
C. f(x) = (x - 2)2 +5
B. f(x) = (x + 2)2 - 5
D. f(x) = (x - 2)2 - 5 A


14) How many zeros does a quadratic function have?
C. at most two
A. two
B at least two
D. one udratic function​