Question

18. Given that g(x) = -(x^2)/4, what is the value of g(+8) ?

F. -16
G. 4
H. -1
J. 4
K. 16

Answer 1

F. -16

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

Algebra I

• Functions
• Function Notation

Explanation:

Step 1: Define

Identify

`\displaystyle g(x) = -(x^2)/(4)`

Step 2: Evaluate

1. Substitute in x [Function g(x)]:
   `\displaystyle g(-8) = -((-8)^2)/(4)`
2. Exponents:
   `\displaystyle g(-8) = -(64)/(4)`
3. Divide:
   `\displaystyle g(-8) = -16`