Question

Evaluate y = 2x + 1 when x = 1

Answer 1

y = 3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Explanation:

Step 1: Define

y = 2x + 1

x = 1

Step 2: Evaluate

1. Substitute in x: y = 2(1) + 1
2. Multiply: y = 2 + 1
3. Add: y = 3