Finding Min and Max and Zeros with Graphing Calculator

Find the zero(s) of the function.

• (-5, 0) and (1, 0)

• (0, 0.8) and (0, -2.1)

• (0, -5) and (0, 1)

• (0.8, 0) and (-2.1, 0)

What are the zeros of the function
f(x)= -4(x - 3)(x+5)?
*Hint: Type the function into y= 

• -12 and 20

• -5 and 3

• -4 and -5

• -3 and 5

Find the solution(s) to the function.

• x = -1, -4

• x = 1, 4

• x = 6

• x = -6, 6

Find the solution(s) of the function.

• x = -3, -8

• x = 5, 11

• x = 3, 8

• x = 5, -11

Find the root(s) of the function.

• No solution

• Many Solutions

• x = 4, -5

• x = -4, 5

Find the solution(s) of the function.

• x = 2.15, -5.03

• x = -1.25, -3.5

• x = -2.3, 8.4

• x = 3.2, 4.8

Find the solution(s) of the function.

• x = 10, 5

• x = -10, -5

• x = 10, -5

• x = -10, 5

Identify the zeros:

• x=-2, x=-1, x=0

• x=-2, x=0

• x=-1, x=0, x=2

• x=-2, x=0, x=1

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

• x-intercept

• zero

• root

• all of these.

What are the local maxima of this graph?

• local maximum at (2.2, 3.9)

• local maximum at (-8, 5)

• local maximum at (5, -8)⋃(3.9, 2.2)

• local maximum at (-8, 5)⋃(2.2, 3.9)