Question

The point (-2, 1) is on the graph of which of these functions?

A. y = -x^2 - 1
B. y = x^2 + 3
C. y = 1/2x
D. y = -3x - 5

Answer 1

Answer: its A

Step-by-step explanation: Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Down

Vertex:

(0,−1)

Focus: (0,−54)

Axis of Symmetry: x=0

Directrix: y=−3/4

x y

−2 −5

−1 −20

0 −1

1 −2

2 −5

Answer 2

-3 is the answer

Explanation: