Question

What are the key points on the graph of y=x2−16x+48
𝑦
=
𝑥
2
−
16
𝑥
+
48
? Name the vertex, x-intercepts, and y-intercept.(2 points)

Answer 1

Vertex: (8, −16)

x‑intercepts: (4, 0) and (12, 0) (since x^2 −16x +48 = (x−4)(x−12))

y‑intercept: (0, 48)