Solve the system of equations using substitution or graphing. y = -x2 + 4x + 5
y = x + 1
A) (-1,0) and (6, 7)
B) (-1,0) and (4,5)
C) (1, 2) and (6, 7)
D) (1, 2) and (4, 5)

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Select the number of ways in which a line and a circle can intersect