opticjoule opticjoule
  • 26-04-2015
  • Mathematics
contestada

Make c the subject:
x=-b+(b²-4ac) divided by 2a

The brackets mean square root

Respuesta :

konrad509
konrad509 konrad509
  • 26-04-2015
[tex]x=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\ 2ax=-b+\sqrt{b^2-4ac}\\ \sqrt{b^2-4ac}=2ax+b\\ b^2-4ac=(2ax+b)^2\\ -4ac=4a^2x^2+4abx+b^2-b^2\\ -4ac=4a^2x^2+4abx\\ c=-ax^2-bx[/tex]
Answer Link

Otras preguntas

After the Texans revolted and captured San Antonio in the 1830s,
What it the relationship between 962 meters and 0.963
are 49 feet bigger or smaller than 588 in
Control rods are used to slow down the reaction in the reactor core when the core becomes too hot.
how many eighty fours are in 672
Which character trait can be used to describe the antagonist in the play Antigone? merciful religious humorous ruthless
Why it's important to know how to find and check your pulse rate?
Inflation can decrease _____, which reduces the amount of goods and services a person can afford. price levels purchasing power job opportunities
What is the name of the structure that connects the two chromatids?
Which of the following best describes a rhetorical device? a.) a technique used in writing or speaking that is intended to persuade b.)a technique that emplo