Quadratic STAAR Question

• A

• B

• C

• D

• A

• B

• C

• D

• 3

• 2

• -3

• -6

• F

• G

• H

• J

• F
• G
• H
• J

A ball was projected from a height (in feet) and it followed the parabola path above. (click to enlarge the picture).

What is the maximum (highest) height of the ball? ​ (a)  

How long did it take the ball to reach the maximum? ​ (b)  

How high was the ball when it was thrown? ​ (c)  

• Exactly 12 feet

• 12.5 feet

• 4 seconds

• 5 second

• 6 feet

• 4.5 feet

• Upward

• Downward

• Leftward

• Rightward

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum