5.1 Int.2 Quiz

What is the equation of the line of symmetry?

• y = 4

• y = -4

• x = 4

• x = -4

What is the arrow pointing at? How can you use this value to determine the minimum/maximum values?

• The y-intercept

• The x-intercepts/zeros

• The vertex

• The linear graph

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

In the equation y= ax² + bx + c , if a > 0, then...

• the graph of the parabola will have a maximum.

• the graph of the parabola will open down

• the graph of the parabola will open up

• the vertex will be (0, 0).

Determine the vertex for the following quadratic. Show all your work. *Hint: find the x-intercepts first.

y = x²+4x-12

The graph of a quadratic is called a?

• v shape

• u shape

• line

• parabola

What is the vertex?

How many x-intercepts can a quadratic have? Choose ALL THAT APPLY.

• 0

• 1

• 2

• Cannot determine