Intro to Vertex Form

What are the coordinates of the vertex, and is it a maximum or minimum?

• (-1, 4); Maximum

• (-1, 4); Minimum

• (4, -1); Maximum

• (4, -1); Minimum

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

Find the equation that is equivalent to y=-3(x+1)²-5

• y=-3x²-6x-2

• y=x²+2x-4

• y=-3x²-6x-8

• y=3x²+6x-2

Which equation is equivalent to f(x)=4(x+4)²+4?

• f(x)=4x²-32x+68

• f(x)=4x²+32x+64

• f(x)=4x²+32x+68

• f(x)=16x²+128x+260

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

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

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

What is the range of the graph?

• All real numbers

• To infinity and beyond

• y ≥ 0

• x ≥ 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2

  Range : 0 ≤ y ≤ 4

• Domain : 0 ≤ x ≤ 4

  Range : -2 ≤ y ≤ 2

• Domain : All Real Numbers

  Range : y ≤ 4

• Domain : y ≤ 4

  Range : All Real Numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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