Modeling With Quadratics

Graph: g(x) = 0.2x² + x - 4

• Graph A

• Graph B

• Neither

Tyler wants to know how high the soccer ball will get if he kicks it straight up in the air. Which one are we looking for?

• x at vertex

• y at vertex

• positive zero

How do I find…

The time it takes to get to the highest point?

• Find the x-value of the vertex

• Find the y-value of the vertex

• Find the y-intercept

• Find the x-intercepts and choose positive value

The following graph represents the path of a golf ball that was hit from an elevated tee box. Based on the path how far did the golf ball travel?

• 8 yards

• 17 yards

• 250 yards

• 320 yards

The following graph represents the path of a golf ball that was hit from an elevated tee box. Based on the path from what height was the golf ball hit?

• 8 yards

• 17 yards

• 250 yards

• 320 yards

The following graph represents the path of a golf ball that was hit from an elevated tee box. Based on the path how high did the ball go in the air?

• 8 yards

• 17 yards

• 250 yards

• 320 yards

A projectile bottle rocket is launched in the air. What is the highest altitude of the projectile?

• 7 ft

• 500 ft

• 200 ft

• 350 ft

A projectile bottle rocket is launched in the air. From what height was the bottle rocket launched?

• 200 feet

• 6.8 feet

• 3 feet

• 50 feet

A projectile bottle rocket is launched in the air. How long did it take the bottle rocket to reach its maximum altitude?

• 3 seconds

• 6.8 seconds

• 50 seconds

• 200 seconds