The Root Zero

Which of the following is not true about the polynomial function represented by the table above?

• There is a zero between -1 and 0

• There is a zero at -3

• There is a zero at 1

• There is a zero between 2 and 4

• All these statements are true

Tags

CCSS.HSF-IF.C.7C

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

Tags

CCSS.HSF-IF.C.7C

Which is a zero of the graph?

• 0

• -1

• 1.5

• -3

Tags

CCSS.HSF-IF.C.7D

What is another word for zeros?

• solutions

• x -intercepts

• roots

• All of the these!

Tags

CCSS.HSF-IF.C.7C

Determine the roots of the polynomial. 
f(x) = -x(x+1)(x-3)

• -1, 3

• 0, -1, 3

• 1, -3

• 0, -3, 1

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 is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x

• Solve for x

• FOIL

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Solve for the values of x:
(2x - 1)(x + 4) = 0

• { 1/2, -4 }

•  { 1/2, 4 }

• { 2, -4 }

• { -2, 4 }

Tags

CCSS.HSA-REI.B.4B

Solve and find your x-intercepts:
0=x(x - 6)

• x=0 and x=-6

• x=1 and x=-6

• x=0 and x=6

• x=6

Tags

CCSS.HSA-REI.B.4B

Solve and find your zeros:
z(z - 15)=0

• z=0 and z=15

• z=0 and z=-15

• z=-15

• z=15

Tags

CCSS.HSA-REI.B.4B