Modeling Quadratics

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

Andrew wants to know how long his model rocket will be in the air after he lights the fuse to launch it from a 1.5-foot launch pad.

Which one are we looking for?

• x at vertex

• y at vertex

• positive zero

Vincent is trying to find how many seconds it will take a golf ball to get to its highest point after being hit on the golf course.

Which one are we looking for?

• x at vertex

• y at vertex

• positive zero

Julian is wondering how long it will take a football to hit the ground after Daniel Jones throws it during practice.

Which one are we looking for?

• x at vertex

• y at vertex

• positive zero

Mikkel threw a foam soccer ball in the air. Cameron wanted to find out how high the soccer ball got given that it took 1 second to get to its highest point.

Which one are we looking for?

• x at vertex

• y at vertex

• positive zero

Jesse found the maximum height of a basketball thrown from half court to be 21 feet and wants to know how long it took to get there.

Which one are we looking for?

• x at vertex

• y at vertex

• positive zero

Haden wants to find out how long it takes a hockey puck to reach the goal.

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

How do I find…

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

How do I find…

When an object hits the ground?

• 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