Eashka
Eashka
03-12-2014
Mathematics
contestada
I have to solve for b but I can't figure it out
Respuesta :
cristianmiguel
cristianmiguel
03-12-2014
2b2 + 13b -7
b 7
2b -1
(b+7)(2b-1)
b=1/2 or b=-7
Answer Link
Аноним
Аноним
03-12-2014
[tex]2b^2+13b-7=0\\\\2b^2+14b-b-7=0\\\\2b(b+7)-1(b+7)=0\\\\(b+7)(2b-1)=0\iff b+7=0\ or\ 2b-1=0\\\\\boxed{b=-7\ or\ b=0.5}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
What are sudden large declines in biodiversity in the fossil record called?
The government uses the revenue from taxes to pay for goods and services for the community. True False
Which event took place LAST? A) Warsaw Pact ends B) Chernobyl nuclear disaster in Ukraine C) Soviet forces withdraw from Afghanistan D) Gorbachev becomes Pre
What is the solution to this inequality? x – 7 > –6 A. x > –13 B. x < –13 C. x < 1 D. x > 1
2 plus 2 equals 4so this for this for this for this for this for this
Student A told Student B that his ears are the most lateral structures on his head. Student B corrected Student A and said that his ears are actually bilateral
What event in the life of Muhammad signaled the beginning of Islam?
Solve the equation 2z-5=11
Orlando invested $16,000 in an eight-year CD bearing 6.5% simple annual interest, but needed to withdraw $3,500 after five years. If the CD’s penalty for early
An adverbial clasue is a subordinate clause that is used as an adverb to modify a verb, and adjective, or a(n) -adverb -noun -participle -pronoun An infinitive
