Pre-Test Quiz on Quadratic Functions S23

What is the vertex of this quadratic equation?

• (-2,4)

• (2,5)

• (5,-2)

• (-5,-2)

• (-2,-5)

What is the y-intercept of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max (-1, 4) opens down

• min (-1, 4) opens up

• (1,0),(-3,0) opens down

• (1, 0), (-3, 0) opens up

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Which point is an example of a y-intercept?

• (3,4)

• (-2,8)

• (0,4)

• (5,0)

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola

• A point on the y-axis.

A parabola has a vertex at (-3,2).

Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

Which graph is a parabola?

• 
• 
• 
• 

What is the y-intercept of the parabola y = 5x² - 3

• 5

• 3

• - 3

• -5