Finding Zeros or Roots

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Find the roots/zeros of x² + x - 2

• -1, 2

• -2, 1

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

Find the zeros of the function above.

*remember to change n to x in Desmos*

• -4, 2

• -2, 4

• -16

• -4

List the roots/solutions.

• x = -1, 0, 1

• x = -1

• x = 0, 1, 1

• x = -1, 1

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

• roots

• zeros

• domains

• equations

What are the roots of the function?

List the roots/solutions.

• x = -1, 0, 1

• x = -1

• x = 0, 1, 1

• x = -1, 1

Find the root(s) of the function.

• x = 3

• x = {-3, -1, 2}

• x = {-3, 2}

• x = -1

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3

• x = 2 or x = -3

• The are no real roots

• x = 2 or x = 3