Key Features of Quadratic Functions

Front

What is the vertex? Options: (-3, 0), (3, 0), (0, 18), (18, 0)

Back

(0, 18)

Front

Equation of the axis of symmetry?

Back

x = 0

Front

What is the minimum of this graph? Options: (-2,6), (-0.5,-3.5), (-1,-3), (3,0)

Back

(-0.5,-3.5)

Front

Find the vertex

Back

(2, -2)

Front

The graph of a quadratic function is called a

Back

Parabola

Front

What is the domain of the function?

Back

All real numbers

Front

Find the decreasing interval: x>-2, x<-2, x>2, x<2

Back

x<2

Front

Find the increasing interval: x<2, x<0, x>2, x>-2

Back

x>2

Front

Which statement 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

Back

The range is y ≥ 18

Front

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

Back

The range is y ≥ 0