Day 3 Characteristics of Quadratics

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

What is the axis of symmetry for the following equation? (hint: x = -b/2a)
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=4

What is the range of the function?

• y≤3
• y≥3
• All real numbers
• -6≤y≤3

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

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

Find the maximum value.

y = -3x² + 6x - 1

• 2

• -2

• 8

• 1

• -1

Find the vertex, equation for axis of symmetry and y-intercept. Select all that apply.

y = x² -4x +5

• y- intercept = 5

• axis of symmetry x = -2

• axis of symmetry x = 2

• vertex ( 2, 1)

• vertex (-2, 13)

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form