Translate the phrase into an algebraic expression.

the sum of y and 8

y + 8

The algebraic expression for "the sum of y and 8" is y + 8.

To translate the phrase "the sum of y and 8" into an algebraic expression, you need to represent the idea of adding y and 8 together. In algebraic notation, "the sum of" is often represented using the plus sign (+).

So, the algebraic expression for "the sum of y and 8" can be written as:
y + 8

In this expression, the variable y is being added to the number 8.