Sisibookie Sisibookie

08-05-2014
Mathematics

contestada

How do I solve x^2 - 8x + 16 = 25 using perfect factoring patterns?

Respuesta :

kate200468 kate200468

08-05-2014

[tex]x^2 - 8x + 16 = 25\\ \\(x-4)^2=5^2\\ \\x-4=5\ \ \ \vee\ \ \ x-4=-5\\ \\x=5+4\ \ \ \ \ \ \ \ \ x=-5+4\\ \\x=9\ \ \ \ \ \ \ \ \ \ \ \ \ \ x=-1[/tex]

Answer Link

Otras preguntas

The 100 Years’ War was between England and Rome. t/f

what is the example of a sport related activity

A rock at the edge of a cliff has what kind of energy?

There are 3 sides on a triangle One side is 14 One side is 10 one side is ??? Question: how can I find the missing side

If a sodium atom lost one of its electrons and a chlorine atom gained it, what kind of bond would be formed between sodium and chlorine? a. ionic b. valence c

The Triple Alliance included Germany, Italy, and _____. France Austria-Hungary Spain

17 4x^8/16x^2 a 1/4 a x^4/4 a x^5/4 a x^6/4

Which of the following was one of the key principles endorsed by the Pre-Raphaelite Brotherhood? A. The substance of good art should be spiritual. B. Art

Salt, sand, water, or stones are __________ substances found in nature. A) mineral B) hypothesis C) energy D) force

Where is the field of each charge the strongest ? (A. positive charge arrows pointed out) (B.negative charge arrows pointed inward)