Think back to the reference to catapults. Suppose the initial height of the stone is 12 feet and the stone is being launched with a velocity of 61 feet per second. Use the information above to complete the following steps. Step 1. Write a quadratic equation in standard form to represent the situation.
Step 2. Solve the equation. How long will it take the stone to hit the ground?
Step 3. Check your solution.
Step 4. What is the maximum height of the stone after it's launched?

Check Your Answers
Step 1. Write a quadratic equation in standard form to represent the situation.
H(t) = − 16t2 + 61t + 12

WHERE DID THE -16 COME FRO