GEOMETRY HELP PLEASE

symmetric property

Step-by-step explanation:

Multiplication property would require multiplication

Subtraction property would require subtraction

Reflexive property  says x=x

The symmetric property  says if a=b then b=a

OD = DO

OF = FO

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.