If x = -3 and y = 4, what is the value of the expression 2x² - y?
✓ Correct Answer: Option B
Substitute the values: 2(-3)² - 4. First, (-3)² = 9. So, 2(9) - 4 = 18 - 4 = 14.
Substitute the values: 2(-3)² - 4. First, (-3)² = 9. So, 2(9) - 4 = 18 - 4 = 14.