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13-12-2020
Mathematics

contestada

Evaluate A^2-B^2 for A = 3 and B = -4

A.) -7
B.) -2
C.) 25

Respuesta :

13-12-2020

Answer:

A.) -7

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

A² - B²

A = 3

B = -4

Step 2: Evaluate

Substitute: 3² - (-4)²
Exponents: 9 - 16
Subtract: -7

Answer Link

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