Chapter 9 Test Review

Which choice shows the functions ordered from narrowest to widest?

f(x)=-5x² , h(x)=(3/8)x² , w(x)=3x² , k(x)=(-2/3)x²

• f, h, w, k

• h, k, w, f

• k, w, h, f

• f, w, k, h

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)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

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

• y = -2
• x = 3
• x = -3
• y = 2

Tags

CCSS.8.G.A.3

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

Does this parabola have a minimum or maximum and what is its value?

• minimum: 2
• maximum: 2
• minimum: 5
• maximum: 5

If the a value is negative, which direction does the parabola open?

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A