Answer:
a. It opens downwards.
b. The vertex is (-4, -3).
c. x -intercepts: None.
y-intercept at (0, -7).
d. x = -4.
Step-by-step explanation:
There are no x -intercepts and the y-intercept is at (0, -7).
The axis of symmetry has the equation of the vertical line passing through the vertex. That is x = -4.
