Intro to Quadratic Characteristics

A parabola changes direction at what point?

• Slope

• Y-intercept

• vertex

• x-intercept

An axis of symmetry is...

• a vertical line

• a horizontal line

A positive quadratic will open....

• downward

• upward

Tags

CCSS.HSF-IF.C.7A

Which equation below matches the graph?

• y = x² + 4x + 3

• y = x² + 4x

• y = x² + 3

• y = x² + 3x + 1

Tags

CCSS.HSF-IF.C.7A

James jumped off a cliff into the ocean while on vacation.  The function h = -16t² + 240 gives James' height above the water after t seconds.  How many seconds did it take him to get to the surface of the water?  

• 15 seconds

• 4 seconds

• 3.87 seconds

• 15.49 seconds

What would the equation
y = x² - 6
do to the graph?

• move left 6

• move up 6

• move down 6

• move right 6

What would the equation 
y = x² + 15 
do to the graph?

• move down 15

• move up 15

• move left 15

• move right 15

Which of the following is the vertex of the graph?

• (0, 3)

• (3, -6)

• (1, 10)

• (4, -5)

What is the domain of the function?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• 3(x+17)(x-2)

• 3(x+2)(x-7)

• 3(x-2)(x+7)

• (3x+6)(x-7)