Parabolas Key Features

What is the significance of the ordered pair (2, -4) 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

Which statement about the graph is FALSE?

• The vertex is also a zero of the function

• The y-intercept is (0, -2)

• The axis of symmetry is x = 2

• The range is y ≥ 0

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (3, 0) to the graph?

• It is the maximum point

• It is the vertex

• It is the y-intercept

• It is an x-intercept

Tags

CCSS.HSF-IF.C.7A

• x = -4

• x = 4

• y = 4

• y = -4

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

Where is the function decreasing?

• x < -1

• x > -1

• x > 3
  

• x < 3

Tags

CCSS.HSF-IF.C.7A

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

• A
  Min
• B
  Max
• C
  both
• D
  undefined

Tags

CCSS.HSF-IF.C.7A

• A
  -x² - 6x + 5
• B
  x² - 6x + 5
• C
  -x² + 6x - 5
• D
  x² + 6x - 5

Tags

CCSS.HSF-IF.C.7A

• A
  -ax² - bx - c
• B
  ax² - bx + c
• C
  -ax² + bx + c
• D
  ax² + bx - c

Tags

CCSS.HSF-IF.C.7A