Features of Quadratics in Context

Approximately how long did it take the water from the fountain to hit the pool below?

• about 1.85 second

• about 2.85 seconds

• about 3.85 seconds

• about 4.85 seconds

What key feature tells the initial height of the roller coaster?

• y-intercept

• x-intercept

• axis of symmetry

• vertex

Tags

CCSS.HSF-IF.C.7A

What key feature tells the lowest point on the roller coaster?

• y-intercept

• vertex

• Axis of Symmetry

• x-intercept

Tags

CCSS.HSF-IF.C.7A

What is the sign of the "a" value for this graph?

• positive

• Negative

Tags

CCSS.HSF-IF.C.7A

What is the sign of the "a" value for this graph

• negative

• positive

Tags

CCSS.HSF-IF.C.7A

Does this scenario have a max or a min?

• Max

• Min

Tags

CCSS.HSF-IF.C.7A

What is the equation for the axis of symmetry?

• x = b / 2

• x = 2a / -b

• x = 2 / b

• x = -b / 2a

How do I find the y-value of the vertex?

• factor

• x = -b / 2a gives you the y-value of the vertex

• find x = -b / 2a and then plug in for x and solve for y.

• find -b / 2a and then plug in for y and solve for x.

What was the approximate initial height of the roller coaster?

• 150

• 120

• 100

• 50

What is the approximate lowest height of the roller coaster?

• 120 feet

• 3 feet

• 25 feet

• 170 feet