Final answer:
The coefficient in the expression 8x² + 1 is 8.
Step-by-step explanation:
The coefficient in the expression 8x² + 1 is 8.
In algebraic expressions, a coefficient is the number that multiplies a variable. In this case, the variable is x², and the coefficient is 8. The number 1 in the expression is not multiplied by the variable, so it is not a coefficient.
Learn more about Coefficient in algebraic expressions