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 ( 36+ )
Otras preguntas
Select the two roots of (3x + 7)(2x – 5)=0 A)-7/3 B)5/2 C)-5/2 D)7/3
100 POINTS!!! AP Government and PoliticsProvide the information on these six kinds of political actors:1. The mediaHow can the media influence lawmakers or the
WHAT IS THE MEANING OF THE PHRASE IN THE PEOM "THE HEART THAT FED" ? OZYMANDIAS PEOM CLASS 11 ENGLISH PLEASE ANSWER IN EASY WORD
What happens to pH when PCO2 increases above 45 mm Hg?-pH will fall from 7.4 to 7.35.-pH will stay the same.-pH will rise above 7.4.-pH will fall below 7.35.
If you select a marble without looking, how likely is it that you will pick a black one?
Chromosome 11 is made of over million base pairs. Approximately how many genes are found on chromosome 11? List the genetic disorders found on chromosome 11. D
Using front-end estimation, what is the correct estimation of the sum, 23+33+44+51+31 -A. 180B. 170C. 160D. 150
Simplify. 2(x-3)-4x 1
which is faster 2.5 miles per hour or 0.5 miles per hour
For the graph whose function is shown, find f(0).
