Finding Zeros of Functions

The polynomial
f(x) = 5x⁴ + 2x³ + 2x − 7 can have, at most, how many solutions?

• 5

• 4

• 3

• 2

Write an equation of a polynomial with the zeros listed:

Zeroes: 3, -3, -7

• (3x + 1)(3x + 1)(7x + 1)

• (3x -1)(3x -1)(7x -1)

• (x + 3)(x -3)(x -7)

• (x -3)(x + 3)(x + 7)

Tags

CCSS.HSA.APR.B.3

Write an equation of a polynomial with the zeros listed:

Zeroes: -10, -6, 8

• (6x + 1)(8x + 1)(10x + 1)

• (x + 6)(x -8)(x + 10)

• (6x -1)(8x -1)(10x -1)

• (x -6)(x + 8)(x -10)

Tags

CCSS.HSA.APR.B.3

How many zeros do you expect the polynomial function
 P(x) = 3x³+4x-8 to have?

• 1

• 2

• 3

• 4

To find how many real zeros a function has, look at where it ______________

• Crosses the y-axis

• Crosses the x-axis

• Intercepts

• Turns

Tags

CCSS.HSF-IF.C.7C

Identify the zero of the function f(x) = -4x + 12.

• 6

• 4

• 2

• 3

Tags

CCSS.HSF-IF.C.7D

If f(x) = 5x + 15, what is the value of x when f(x) = 0?

• 0

• -5

• 3

• -3

Tags

CCSS.HSF.IF.A.2

What is the zero of the function f(x) = x - 5?

• 5

• -5

• 10

• 0

Tags

CCSS.HSF-IF.C.7D

Identify the zero of the function f(x) = 10 - 3x.

• 10/3

• 3.33

• -10

• 5

Tags

CCSS.HSF-IF.C.7D

If f(x) = 6x - 18, what is the value of x when f(x) = 0?

• 9

• 3

• 6

• 0

Tags

CCSS.HSF.IF.A.2