Question

6.

Which equation is represented by the graph?



A. y = 3x^2 − 2

B. y = −3x^2 + 2

C. y = 2x^2 − 3

D. y = 2x^2 − 2

Answer 1

C. y = 2x^2 − 3

Explanation:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Up

Vertex: ( 0 , − 3 )

Focus: ( 0 , − 23 /8 )

Axis of Symmetry: x = 0

Directrix: y = − 25 /8

x y

− 2 5

− 1 − 1

0 − 3

1 − 1

2 5