
A parabola is open up if a > 0.
The vertex formula:

(h; k) - the coordinates of the vertex

Therefore h = -5 < 0
Answer: B. y = x² + 10x + 24.
Step-by-step explanation:
-34 > -10 + 4x
-24 > 4x
x < -6.
X = a/b
4 = a/2
multiply both sides by 2 to isolate the variable
a = 8