Evaluate the expression when x = 4, y = 6, and z = 2. %3D xy +z When x 4, y= 6, and z = 2, xy+ z = (Simplify your answer.) %3D

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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**Evaluating Mathematical Expressions**

**Problem Statement:**

Evaluate the expression when \( x = 4 \), \( y = 6 \), and \( z = 2 \).

\[ xy + z \]

**Instructions:**

When \( x = 4 \), \( y = 6 \), and \( z = 2 \), calculate the value of \( xy + z \). (Simplify your answer.)

**Solution:**

1. Substitute the given values into the expression.
2. The expression \( xy + z \) becomes \( (4 \times 6) + 2 \).
3. Perform the multiplication first: \( 4 \times 6 = 24 \).
4. Add the result to \( z \): \( 24 + 2 = 26 \).

Therefore, when \( x = 4 \), \( y = 6 \), and \( z = 2 \):
\[ xy + z = 26 \]

**Answer:**

Enter your answer in the answer box: **26**

---

This problem involves basic algebraic manipulation and substitution, where students practice evaluating expressions by substituting given values and performing arithmetic operations.
Transcribed Image Text:**Evaluating Mathematical Expressions** **Problem Statement:** Evaluate the expression when \( x = 4 \), \( y = 6 \), and \( z = 2 \). \[ xy + z \] **Instructions:** When \( x = 4 \), \( y = 6 \), and \( z = 2 \), calculate the value of \( xy + z \). (Simplify your answer.) **Solution:** 1. Substitute the given values into the expression. 2. The expression \( xy + z \) becomes \( (4 \times 6) + 2 \). 3. Perform the multiplication first: \( 4 \times 6 = 24 \). 4. Add the result to \( z \): \( 24 + 2 = 26 \). Therefore, when \( x = 4 \), \( y = 6 \), and \( z = 2 \): \[ xy + z = 26 \] **Answer:** Enter your answer in the answer box: **26** --- This problem involves basic algebraic manipulation and substitution, where students practice evaluating expressions by substituting given values and performing arithmetic operations.
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