Key Features of Graphs Quadratics

What is the name of this form: y = a(x - h)² + k

45.F.IF.7 graph quadratic functions expressed algebraically by hand and by using technology

• vertex form

• standard form

• factored form

• zero form

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Name the Axis of Symmetry

• x = 1

• x = 0

Identify the y-intercept

• (0, -3)

• (3, 0)

• (0, 3)

• (2, 1)

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

Adam graphs a quadratic function. The vertex of the parabola he graphs is located at (5, 0). Which of the following is the axis of symmetry?

• x=-5

• x=5

• x=0

• x=y

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

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

• y-intercept, 3 feet

• y-intercept, 0 feet

• x-value of the vertex, 4 feet

• y-value of the vertex, 5 feet

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