Intro to Key Characteristics of Quadratics

What is the range of this function?

• x > -2

• x ≥ -2

• y ≥ -2

• y > -2

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

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

What is the y-intercept of the function y=-2x²+8x-6?

• (0, 8)

• (0, -6)

• (0, 2)

• (0, 0)

Tags

CCSS.HSF-IF.C.7A

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

Which statement is TRUE?

• This function has a Maximum

• This function has a Minimum

• This is a constant function

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for this graph? 

• x = 2

• x = -4

• y = -4

• there is not one

Tags

CCSS.HSF-IF.C.7A

Which equation do you use to find the axis of symmetry? 

• y = mx + b

• x = -b / 2a

• x = a(b)^x

• y = -b / 2a

What is the "b" in this equation? 

• 1

• 4

• 0

• x

What is the "a" in this equation? 

• 1

• -8

• 15

• x²