I only can put one number - is -1 or 4 nit sure what answer

IKENC J Question 9 - of 10 Step 1 of 1 29:46:50 projectile is fired vertically upward from a height of 225 feet above the ground, with an initial velocity of 900 ft/sec. Recall that projectiles are modeled by the function h(t) = - 1612 + vot + yo. Write a quadratic equation to model the projectile's height h(t) in feet above the ground after t seconds. Answer 2 Points Keypad Keyboard Shortcuts