Quadratic Equation Basics

Find the vertex (maximum or minimum) of 
f(x) = -x² - 4x + 12.

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

The axis of symmetry of this parabola is...

• y=4

• y=-4

• x=4

• x=-4

Tags

CCSS.HSF-IF.C.7A

What is the domain for all quadratics?

• all real numbers

• x > 0

• 0

• x < 0

The graph of a quadratic function is called a

• line

• curve

• u

• parabola

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• none of these

A line about which a figure is symmetric is the ____ __ ________

• Solution Set

• Intercept Formula

• Quadratic Function

• Axis of Symmetry

What's the domain and range? 

• D: All Real Numbers 
  R: 6 & all numbers less than 6. 

• D: 6 & all numbers less than 6. 
  R: All Real Numbers

• D: All Real Numbers
  R: 6 & all numbers greater than 6

• D: 6 & all numbers greater than 6.
  R: All Real Numbers

What's the max/min? 

• Minimum: -4

• Minimum: -3

• Maximum: -4 

• Minimum: -3

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• both 

• neither

Tags

CCSS.HSF-IF.C.7A