2.1-2.3 Quiz

What is the equation for axis of symmetry?

• x=5
• x=3

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

• up
• down
• left
• right

If the a value is positive, which direction does the graph open?

• up
• down
• left
• right

What is the green dot on the parabola called?

• vertex
• roots

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

• y = mx + b
• y = ax² + bx + c

Identify the 'b' value: y = 16x² -8x -24

• 16

• -8

• 8

• -24

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 the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

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

• y = -2
• x = 3
• x = -3
• y = 2

Does this parabola have a maximum or minimum?

• Maximum

• Minimum