"More than" indicates addition and "square of" indicates raising to the power of 2.
y^2+3
Practice makes perfect
In this verbal expression we have two key phrases: "more than" and "square of". These words tell us the operations that will be used in the algebraic expression. "More than" indicates addition. In this case, we are adding 3 to something.
Three more than
... + 3
Meanwhile, "square of" indicates raising something to the power of 2. Here we are squaring "a number."
Let's call this unknown number y.
the square of a number
y^2
We can join these two parts together, to get the complete algebraic expression.
Three more than the square of a number
y^2 + 3
