Intro to Graphing Quadratic Functions

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

True or false:
The root, x-intercept, and zero are all the same thing

• True
• False, because the solution and root are the same but the x-intercept and zero are different
• False, because the x-intercept and root are the same but the zero and solution are different
• False, they are all different

Tags

CCSS.HSF-IF.C.7C

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

Tags

CCSS.HSF-IF.C.7A

The U-Shaped graph of a quadratic function  is called a?

• Marabola
• X-value
• Parabola
• Height

Tags

CCSS.HSF-IF.C.7A

The value (letter) that tells us whether the parent function is stretched, or shrunk veritcally.

• y
• a
• x
• b

The parent function of a quadratic function is?

• y=mx+b
• y=x
• y=x²
• y=-x²

If [a] >1, then the graph of the function?

• shrinks
• stretches