Quadratics

What piece of information does h identify in the following equation?
y=a(x-h)²+k

• y value of the vertex
• Axis of Symmetry and the x coordinate of the vertex
• Direction (facing up or down)
• x-intercept

Is this a max or min?

• max
• min
• cannot be determined

A line about which a figure is symmetric is the:

• Solution Set
• Intercept Formula
• Quadratic Function
• Axis of Symmetry

Tags

CCSS.HSF-IF.C.7A

What is the Axis of symmetry?

• Y=3
• y=-3
• x= 3
• x=-3

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

Use the picture to find  the vertex and axis of symmetry

•  Vertex (3,8) Axis x=3
• Vertex (3,8) Axis y=3
• Vertex (8,3) Axis x=3
• Vertex (8,3) Axis y=3

Does the parabola
f(x)=4(x-2)² + 3
open up or down?

• up
• down

Factor x² + 7x + 12
What two numbers ADD UP TO 7 
and MULTIPLY to 12. 

• (x + 2)(x + 5)
• (x + 3)(x + 4)
• (x + 1)(x + 6)