Parabolas

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

Tags

CCSS.HSA.REI.B.4

What do we call the graph of a quadratic function?

• parabola

• linear

• cubic

• absolute value

Tags

CCSS.HSF-IF.C.7A

What is the maximum/minimum of a parabola called?

• point

• vertex

• top

• bottom

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

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

Tags

CCSS.HSF-IF.C.7A

How do you know if a parabola has a minimum vertex?

• When a is positive there is a minimum
• When a is negative there is a minimum
• When all the numbers in the equation are negative there is a minimum
• When all the numbers in the equation are positive there is a minimum

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry is a line that goes through the...

• y-intercept
• any random point
• vertex
•  x-axis or y-axis

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.

Tags

CCSS.K.G.B.4

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A