Roots Solutions Zeros

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15

• x = -3
  x = 5

• x = 3
  x = -5

• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

Find the roots/zeros of x² + x - 2

• -1, 2

• -2, 1

Tags

CCSS.HSA-REI.B.4B

Find the zeros of the function above.

*remember to change n to x in Desmos*

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

2c. List the roots/solutions.

• x = -1, 0, 1

• x = -1

• x = 0, 1, 1

• x = -1, 1

Find the roots of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

What are the roots of this quadratic function?

What are the other names for x-intercepts? ​ (a)   ​ (b)  

• roots

• zeros

• domains

• equations

Tags

CCSS.HSF-IF.C.7D

Find the root(s) of the function.

• x = 3

• x = {-3, -1, 2}

• x = {-3, 2}

• x = -1

List the roots/solutions.

• x = -1, 0, 1

• x = -1

• x = 0, 1, 1

• x = -1, 1