Forms of Quadratics - Algebra 2 Honors

1. Which of the following functions
are equivalent to
f (x)  2x2  4x 16
g(x)  2(x  4)(x  2)
h(x)  2(x  4)(x  2)
2 j(x)  2(x 1) 18
2 k(x)  2(x 1) 18

2. Using the function
f (x)  (5x 10)(4x  20)
[i] State the zeros
[ii] State the vertex

3. The table represents some
quadratic function.
Write three equivalent functions
that model the table.