Q21. - Algebra 2

Question

Write an algebraic expression to represent each verbal expression.

 

Four less than square of a number

Step-by-Step Solution

Answer

The expression is $x^2-4$.

Step 1- Observe the provided statement

According to the statement there is an unknown number which will have an exponent 2 on it so consider that number be x. There is a decrement which indicates towards subtraction.

Step 2 – Use the observation

By using the observation form the expression.

 

$x^2-4$

Step 3- Make the conclusion

As the obtained expression is completely matching with the provided statement so the expression $x^2-4$ is the required expression.