Answer:
<em>(D). Opens up with vertex at (- 3, - 4) </em>
Step-by-step explanation:
Vertex form of quadratic equation is f(x) = a(x - h)² + k
If a > 0 the parabola is facing up , or down if a < 0 .
<em>(D). Opens up with vertex at (- 3, - 4)</em>
4/6 = 2/3
10/12 = 5/6
18/24 = 3/4