Graph of Quadratic Functions

What do you call the graph of quadratic functions?

• hyperbola

• parabola

• vertex

• ellipse

Tags

CCSS.HSF-IF.C.7A

When a quadratic function is in the form y=ax^2, the equation of the axis of symmetry is ____________________.

• x = 2

• x = 1

• x = 0

• x = -1

What is the direction of the opening of the graph of a quadratic function if a is negative?

• upward

• downward

Tags

CCSS.HSF-IF.C.7A

Which of the following functions has a vertex located at (2, -3)?

• y = 2 ( x + 3)

• y = (x + 2) -3

• y = (x - 2) - 3

• y = (x - 3) + 2

The opening of the graph of y = 1/2 x^2 is wider compared to the opening of the graph of y = 4x^2.

• TRUE

• FALSE

Tags

CCSS.HSF-IF.C.7A

What do we call the turning point of the graph?

• domain

• range

• axis of symmetry

• vertex

In y = - (x +1), what are the coordinates of the vertex?

• (-1, 1)

• (-1, -1)

• (-1, 0)

• (1, 0)

What is the vertex form of the function y = x^2 - 2x + 2?

• y = (x -1)^2 +1

• y = (x - 1)^2 +2

• y = (x + 1)^2 - 2

• y = (x + 1)^2 -1

What is the horizontal coordinate of f(x)= 2x^2 - 6x + 7?

• 3/2

• 5/2

• 1/2

• 1/4

The vertex is the maximum point of the graph when the graph opens downward.

• TRUE

• FALSE