Quadratic Relationships

What is the vertex of f(x)?

• (0, $220,000

• f(36) = $120,000

• f(44) = $80,0000

• x = 44

What is the vertex of hx)?

• h(0) = $120,000

• (48, $100,000)

• x = 48

• Cannot be determined from this table; there is none

Based on the Table of Values, what are the Roots/x-intercepts/zeros of f(x)?

• f(0) = $220,000

• x = 22

• (44,0)

• Cannot be determined from the table; there are none

What is NOT TRUE about the given Function?

• It is decreasing over time and it's graph is an upside down "V"

• The Axis of symmetry is x = 4

• f(0) = -8

• The vertex = (-4, 8)

• All of the of the observations listed are true

What is the Vertex of the given function?

• f(14) = 190

• f(0) = 150

• x = 14

• (7, 180)

What type of function will fit these data points?

• Linear

• Quadratic

• Exponential

• None of the above

x² - 5 = 20

• -5, 5

• -4, 4

• 3

• 4

(x + 1) ² = 25

• ± 5

• 4  or  -6

• -4  or  6

• ± 4

Maria thinks an exponential function fits this data, but Crate thinks it's quadratic. Who is correct (if either)?

• Maria is correct (exponential)

• Crate is correct (quadratic)

• Both are correct

• Neither is correct