Name: SAT Math Help & School Math Mastery
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#14885

functions

applications

quadratic equations

hard

120 sec

A ball is thrown vertically upward from the ground. It reaches a maximum height of $100$ feet at $2.5$ seconds after being thrown. Which equation represents the height above ground $h$ , in feet, of the ball $t$ seconds after it is thrown?

A.

$h = - 16 (t - 2.5)^{2} + 100$

B.

$h = - 16 (t - 100)^{2} + 2.5$

C.

$h = - 16 (t - 5)^{2} + 100$

D.

$h = - 2.5 (t - 16)^{2} + 100$