Identifying Features of Quadratics

What is the range of the function?

• 0≤h≤3

• 0≤h≤36

• h<3

• t≤36

What is the domain of the function?

• 0<h<80

• 0≤h≤80

• 0≤t≤4.5

• 0<t<4.5

When did the ball reach its maximum height? Choose the key feature and the answer.

• y-intercept, 3 secs

• x-value of the vertex, 4 secs

• y-value of the vertex, 5 secs

• y-intercept, 0 secs

How high was the ball when it was thrown? Choose the key feature and the answer.

• y-intercept, 0 feet

• y-intercept, 3 feet

• x-value of the vertex, 4

• y-value of the vertex 5

When did the water reach its maximum height? Choose the key feature and the answer.

• x-value of vertex, 2 seconds

• y-value of vertex, 9 seconds

• y-intercept, 0 seconds

• x-intercept, 3.8 seconds

What was the maximum height of the water? Choose the key feature and the answer.

• y-intercept, 0 feet

• x-value of the vertex, 2 feet

• y-value of the vertex 10 feet

• x-intercept. 3.85 feet

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

• y-intercept

• vertex

• Axis of Symmetry

• x-intercept

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

• negative

• positive

Does this scenario have a max or a min?

• Max

• Min

What is the equation for the axis of symmetry?

• x = b / 2

• x = 2a / -b

• x = 2 / b

• x = -b / 2a