1/19 Homework Assignment #1 - Quadratics Key Features

What are the green dots called?

• axis of symmetry
• vertex
• y-intercepts

• x-intercepts

Tags

CCSS.HSF-IF.C.7A

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

Is this vertex a maximum or minimum?

• maximum

• minimum

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18

Tags

CCSS.HSF-IF.C.7A

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

State the domain and range.

• Domain: All real numbers, Range: y ≥ -9

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -8, Range: y ≥ -9

• Domain: x ≥ -8, Range: All real numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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 significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Tags

CCSS.HSF-IF.C.7A