Intro to Zeros of Functions

Zeros of Functions

Unit 3

the value(s) for which f(x) = 0

Algebraically

the point(s) at which the graph crosses the x-axis

Graphically

What is a zero?

Other Names for Zeros

• x-intercepts

• roots

• solutions

Multiple Choice

What is the zero of the function?

• -3

• 0

• 2

Multiple Select

What are the zeros of the function?

• -2

• -0.5

• 1

• 2

Multiple Choice

What is the zero of the function?

• -2

• -1

• 3

Multiple Select

What are the zeros of the function?

• -5

• -4

• -2

• 1

Multiple Select

What are the zeros of the function?

• -4.5

• -2.5

• -1

• 2

• 5

Multiple Choice

Which is the correct list of zeros for the function?

• {-5, 0, 3}

• {-3,0,5}

• {-1.5, 3.5}

• {-3, 1.5}