Introduction to Quadratic Functions

The graph of a quadratic function is called

• a line
• a hyperbola
• a parabola
• a cubic

Which graph represents a quadratic relation?

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Determine if the table is Linear, Quadratic or other.

• Linear
• Quadratic
• Other

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

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

Is this table linear, quadratic, exponential, or none of the above?

• linear
• quadratic
• exponential
• none of the above

What is the significance of the ordered pair (2, -4) to the graph?

• it is the vertex

• it is the y-intercept

• it is the axis of symmetry

• it is the x-intercept

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)

Identify whether the function is linear, quadratic, or exponential?

• Linear Growth

• Linear Decay

• Quadratic (Local Max)

• Exponential Growth

• Exponential Decay

What is the vertex of the parabola represented by the given table?

• (-2, 0)

• (-1, 2)

• (-3, -6)

• (0,0)

What is the second difference of the quadratic sequence?

-1, 11, 31, 59, 95, 139, ...

• 12

• -11

• 191

• 8