Descriptions of Quadratic Functions

What letter is the y-intercept?

• a

• b

• c

• f(x)

What is Standard Form of a Quadratic function?

• ax²+bx+c

• x²+bx+c

• x²+bx=c

• bx+ax²+c

f(x) is the same as...?

• x

• y

• a

• b

What is the equation for the axis of symmetry?

• x= $-\frac{b}{2a}$  

•  $y\ =\ -\frac{b}{2a}$  

•  $x=\frac{b}{2a}$  

•  $x=\frac{a}{2b}$  

Which values are Domain

• x

• y

Which values are Range?

• x

• y

Which value determines the direction a Quadratic Function opens (opens upward or opens downward)?

• f(x)

• a

• b

• c

What is the y-int:  $f\left(x\right)=2x^2-8x+6$  

• 2

• -8

• -6

• 6

What is the y-int: $f\left(x\right)\ =\ -3x^2-12x+3$  

• 3

• -3

• -12

• 0

What is the axis of symmetry: $y=2x^2-8x+6$  

• 2

• -2

• -8

• 6