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22-11-2020
Mathematics

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Find the value of 2a2 + 5b2 when a = -6 and b = 2

Respuesta :

22-11-2020

Answer:

92

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

2a² + 5b²

a = -6

b = 2

Step 2: Evaluate

Substitute: 2(-6)² + 5(2)²
Exponents: 2(36) + 5(4)
Multiply: 72 + 20
Add: 92

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