8.
Which of the following is the graph of the equation y = 3x2 − 4x − 2?



Answer:
Graph C
Step-by-step explanation:
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex: ( 2 /3 , − 10 /3 )
Focus: ( 2 /3 , − 13 /4 )
Axis of Symmetry: x = 2 /3
Directrix: y = − 41 /12
x y
− 1 5
0 − 2
2 3
− 10 3
2 2
3 13