How many zero pairs must be added to the function

f (x) = x2 - 10x - 4 in order to begin writing the function in vertex form?

A. 4

B. 10

C. 21

D. 25

Question

Newt

Mathematics

14 February, 15:08

How many zero pairs must be added to the function

f (x) = x2 - 10x - 4 in order to begin writing the function in vertex form?

A. 4

B. 10

C. 21

D. 25

+2

Answers (1)

Know the Answer?

Mathew Park · Answer 1

F (x) = x² - 10x - 4

f (x) + 4 = x² - 10x

- 10x / 2 = - 5x

- 5² = 25

f (x) + 4 + 25 = (x² - 10x + 25)

f (x) + 29 = (x-5) ²

f (x) = (x-5) ² - 29

D. 25

How many zero pairs must be added to the functionf (x) = x2 - 10x - 4 in order to begin writing the function in vertex form?A. 4B. 10C. 21D. 25

How many zero pairs must be added to the function

f (x) = x2 - 10x - 4 in order to begin writing the function in vertex form?

A. 4

B. 10

C. 21

D. 25