Question

What are the vertex and x-intercepts of the graph of the function below?

y= x2 - 4x- 21
O A. Vertex: (2,-25); Intercepts: x = 3, -7
B. Vertex: (2, 17); Intercepts: x= -3,7
C. Vertex: (2,-25); Intercepts: x= -3,7
O D. Vertex: (2, 17); Intercepts: x = 3, -7

Answer 1

Answer: Vertex: (2, -25); Intercepts: x = -3, 7

Explanation:

Answer 2

C is the correct answer I used an online calculator :) hope it helps

Explanation: