Quadratic Review

What is the axis of symmetry of the given function?

• y = 1
• y = -1
• x = 1
• x = -1

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is equivalent to the function shown?

• y=3(x+1)² - 8

• y=3(x-1) ² - 8

• y=3(x+2)² - 8

• y=3(x-2)² - 8

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,-9)

• (0,0)

• (-2,-1)

Determine if the function graphed has a maximum or a minimum value and identify that value.

• maximum at -1

• minimum at -1

• maximum at 4

• minimum at 4

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

What are the solutions to the quadratic functions shown?

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Joe Mauer hits a fly ball. You can track the height of the ball using the equation: h(t) = -16t² + 140t + 2. What was the starting height of the ball?

• -16 feet

• 140 feet

• 2 feet

• 0 feet

What is the range?

• y≥-3

• y≥-1

• All real numbers

• y≤-1