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Chapter 6: Problem 6

Evaluate the algebraic expression for the given value or values of the variables. \(x^{2}+9 ; \quad x=3\)

Short Answer

Expert verified
The value of the algebraic expression \(x^{2}+9\) when \(x=3\) is 18

Step by step solution

01

Understand the exercise

In this exercise, the student is required to substitute the given value of \(x\) into the algebraic expression. The algebraic expression given is \(x^{2}+9\) and the value of \(x\) given is 3.
02

Substitution of variables

Substitute the value of \(x=3\) into the algebraic expression, which results in: \( (3)^{2}+9\). That's the first part of solving this.
03

Evaluation of the expression

After substituting the value of \(x\) into the algebraic expression, the expression becomes \( (3)^{2}+9\). We now need to simplify this. First, square the 3 to get 9. This simplifies the expression to \(9+9\). Adding these two sums up to 18.

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Most popular questions from this chapter

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