Question

What is the vertex of the graph of y = –1(x – 2)2 + 3?
Answer
A)(–2, 3)
B)(3, 2)
C)(3, –2)
D)(2, 3)

What are the x– and y–intercepts of the graph of y = x2 – 10x + 21?
Answer
A)x–intercepts: (–3, 0) and (–7, 0)
y–intercept: (0, –21)

B)x–intercepts: (3, 0) and (7, 0)
y–intercept: (0, –21)

C)x–intercepts: (–3, 0) and (–7, 0)
y–intercept: (0, 21)

D)x–intercepts: (7, 0) and (3, 0)
y–intercept: (0, 21)

Answer 1

D)(2, 3)
D)x–intercepts: (7, 0) and (3, 0) y–intercept: (0, 21)