Answer:
a. 1
Step-by-step explanation:
The GCF is the highest term that divides evenly into the expression
In the case of the expression 3x³ y²- 9xz⁴+ 8y²z there is no common term that can divide evenly each of the terms since each term is missing one of the variables
So the GCF of 3x³ y²- 9xz⁴+ 8y²z is 1
Answer: 1
