Use the Equation of the Parabola First to Determine Whether $y = ( x + 1 ) ^ { 2 } - 7$

Multiple Choice

Use the equation of the parabola first to determine whether the axis of symmetry is vertical or horizontal. Then determine if the parabola opens upward, downward, left, or right.
$y = ( x + 1 ) ^ { 2 } - 7$

A) Vertical axis of symmetry; opens downward
B) Horizontal axis of symmetry; opens right
C) Vertical axis of symmetry; opens upward
D) Horizontal axis of symmetry; opens left