Find the Zeros of Quadratic Functions

What is the zero of the function graphed?

• 4 only

• 5 only

• No Solution

• 4 and 5

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Define Zero

• Where the parabola touches or intersects the x- axis, also called the x-intercept

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

• The highest or lowest point on the graph

• Where the parabola touches or intersects the y-axis

Tags

CCSS.HSF-IF.C.7A

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What are the zeros for the function
f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)

• (0 , 7) and (0 , 5)

• (-7 , 0) and (-5 , 0)

• (7 , 0) and (5 , 0)

Tags

CCSS.HSF-IF.C.7C

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

Find the roots/zeros of x² + x - 2 = 0

• {-2,1}

• {2, -1}

• {2, 1}

• {-2, -1}

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the parabola?

• 3, 0

• -6, 1

• 1, 5

• 3, -5

Tags

CCSS.HSA.APR.B.3

How many zeros does this parabola have?

• 3

• 2
  

• 1

• 0

Tags

CCSS.HSA.APR.B.3

What is the quadratic function with zeros: x = -2 and x = 3?

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the x- intercepts?

• x = 0 and x = -4
  

• x = 2

• x = 0 and x = 4

• y = 0
  

Tags

CCSS.HSF-IF.C.7A