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 ( 27+ )
Otras preguntas
The surface area of a triangular pyramid is 375.2 m2. What would change if the surface area were measured in square centimeters?
what were the four main causes of the Cold War
does gas have as definite or indefinite volume
Can you make this into an algebraic expresion
write a paragraph for me using these words: art critic and art historian
John Marshall's Supreme Court decisions in the early 1800's did all of the following, except...a.) increase the power of the federal government over the statesb
A punch recipe calls for 3 pints of orange juice does the recipe How many ounces oof oranges juice does it requirew
How many quarts in 24 pints?
How much work does a person do in pushing a box with a force of 10 N over a distance of 4.0 m in the direction of the force?
Why did the settlers go to new mexico during manifest destiny?
