Finding the Roots Using Graphs

Select ALL that apply. The x-intercepts are often called...

• zeros

• solutions

• roots

• maximums

• minimums

Tags

CCSS.HSF-IF.C.7C

• x=-4

• x=-2

• x=0

• x=1.5

• x=2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Another name for the x-intercept

• Roots

• Zeros

• Solutions

• All of the above

Tags

CCSS.HSF-IF.C.7C

Find the root(s) of the function.

• x = 3

• x = {-3, -1, 2}

• x = {-3, 2}

• x = -1

Tags

CCSS.HSF-IF.C.7C

What are the x- intercepts?
These are also known as the roots, zeroes and solutions!! 
These are the points where the parabola goes through the X - AXIS

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

• By finding the x-intercept(s) of the graph.

• By looking for the intersection of the two functions.

• By finding the changes of sign between 2 values of y.

• By finding the difference of gradient between the graphs.

Tags

CCSS.8.EE.C.8B

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

If the graph of a quadratic does not intercept the x axis at any point, then it has:

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solution

Tags

CCSS.HSF-IF.C.7A