7.
Which of the following is the graph of y = 3x^2 + 6?



Answer:
A. graph A
Step-by-step explanation:
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex:
( 0 , 6 )
Focus:
( 0 , 73 /12 )
Axis of Symmetry:
x = 0
Directrix:
y = 71 /12
x
y
−
2
18
−
1
9
0
6
1
9
2
18