Evaluate the expression 3a² - 2b when a = -2 and b = 5.
✓ Correct Answer: Option B
Substitute the values: 3(-2)² - 2(5). First, square -2: 3(4) - 2(5). Then multiply: 12 - 10. Finally, subtract: 2.
Substitute the values: 3(-2)² - 2(5). First, square -2: 3(4) - 2(5). Then multiply: 12 - 10. Finally, subtract: 2.