laurybabygirl laurybabygirl

02-06-2016
Mathematics

contestada

Which of the following are the factors of 4b2 - 16?
a. (2b + 4)(2b + 4)
b. (2b – 2)(2b + 4)
c. 4(b – 2)(b + 2)
d. 2(b – 4)(b + 4)

Respuesta :

apologiabiology apologiabiology

02-06-2016

difference of 2 perfect squares
a^2-b^2=(a+b)(a-b)
(2b)^2-4^2=(2b-4)(2b+4)
(2b-4)=2(b-2)
(2b+4)=2(b+2)
2(b-2)2(b+2)
4(b-2)(b+2)

C is answer

Answer Link

Otras preguntas

Which statement from FDR's speeches uses parallel structure? A. No matter how long it may take us to overcome this premeditated invasion, the American people

if an infant has type A blood and its mother has type B blood, then what blood type(s) does the father have?

Why did united states go to war against germany' in world war 2?

natural selection and its evolutionary consequences provide a scientific explanation for each of the following except .

Please help on number 3.

What symbol would best represent an electric fan in an electric circuit?

The solution to 13x = 65 is x = ___. (Only input whole number)

Which molecule is used by cells as an energy source? A) ATP B) DNA C) phosphate D) oxygen

Which strategy best helps a company reach their consumers?

How should patients with respiratory distress be managed?