What is the relationship between a translation and a rigid motion

The relationship between translation and rigid motion is they are both moving in the same positions,and as well as direction and stays a distancetranslation is one of the type of rigid motion,cause rigid motion have 4 types and one of them is translation. -Norjayma Hapas :)

B. 3x⁷ + 7x⁴ - 2x + 7

Step-by-step explanation:

(3x⁷ + 8x⁴ + 7) - (x⁴ - 2x)

= 3x⁷ + 8x⁴ - x⁴ - 2x + 7

= 3x⁷ + 7x⁴ - 2x + 7