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#39181

applications

quadratic equations

easy

60 sec

Calculator OK

A ball is thrown upward from a platform. Its height, $h (t)$ , in meters, $t$ seconds after being thrown, is modeled by a quadratic function. The ball reaches its maximum height of $25$ meters after $2$ seconds and hits the ground $5$ seconds after being thrown. What was the initial height of the ball, in meters, when it was thrown?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.