Intro to Quadratics The Parabola

What is the "b" in this equation? 

• 1

• 4

• 0

• x

What is the "a" in this equation? 

• 1

• -8

• 15

• x²

If y=0, what are the values of x?

• -1 and 3

• 1

• 0 and 2

• -3

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

Tags

CCSS.HSF-IF.C.7C

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

• y = mx + b

• x = -b / 2a

• x = a(b)^x

• y = -b / 2a

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

Is this a max or min?

• max

• min

• cannot be determined

The graph of a quadratic function is called a

• Parabola

• Vertex

• Axis of Symmetry 

• Vertex Form

Tags

CCSS.HSF-IF.C.7A

Which of the following equations matches standard form of a quadratic? HINT: use your foldable!

What is the domain of the function?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5