uhhhh the A ones choices are 1 and 2
the b ones choices are 2 and -4
CAN SOMEONE ANSWER

Answer:
a = 1 b = -4 x = 5
Step-by-step explanation:
A quadratic function is of the form
ax^2 + bx +c
x^2 -4x+5
a = 1 b = -4 x = 5