1. What is the quadratic formula?

• • x = (-b ± √(b² - 4ac)) / 2a
• • x = (-b ∓ √(b² + 4ac)) / 2a
• • x = (b ± √(b² - 4ac)) / 2a
• • x = (-b ± √(b² - 4ac)) / a

2. What is the value of π (pi) to 2 decimal places?

• • 3.14
• • 3.41
• • 3.12
• • 3.16