6)
Which of the following statements are true about the quadratic function f(x)=a(x−h)2+k
that has no real zeros? Select all that apply.
(3 points)
Responses
The value of h
cannot be zero.
The value of h cannot be zero.
The value of k
cannot be 0.
The value of k cannot be 0.
The value of a
must greater than one, so the graph is vertically stretched.
The value of A must greater than one, so the graph is vertically stretched.
If the value of a
is positive, then the value of k
is negative.
If the value of A is positive, then the value of k is negative.
If the value of k
is negative, then the value of a
is negative .
If the value of k is negative, then the value of A is negative .
If the value of a
is positive, then the graph opens upward.
If the value of A is positive, then the graph opens upward.
The values of a
and k
must have opposite signs.