Key Features of Quadratic Functions in Standard Form

This is the standard form of a quadratic function:

f ( x ) = ax² + bx + c

• True

• False

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8

• x=1

• x=-1

• x=2

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

Find the vertex of
f(x) = x² - 4x + 12.

• (-2, 16)

• (2, 0)

• (2, 8)

• (-2, 4)

All of the following is true to f(x) = -x² + 6x - 1 EXCEPT...

• The y-intercept is (0,-1).

• The minimum value is at y = -1.

• Its graph opens down.

• The axis of symmetry is x = 3.

Tags

CCSS.HSF-IF.C.7A

What kind of function is this?

• Linear

• Absolute Value

• Quadratic

• Exponential

• None of the above

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

Determine what type of function the following table is:

• Linear

• Quadratic

• Exponential

• Not a function

The graph of a quadratic function is called a

• Parabola

• Vertex

• Axis of Symmetry 

• Vertex Form

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

Tags

CCSS.HSF-IF.C.7A