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

Explain how adding more copper windings to an electromagnet can increase the magnetic field.
If a person eats 1/3 of their meal, what percent have they eaten
If a cone has a volume of 250cm3 and a radius of 7 cm, how tall is it? sry about the history part its math
An 800-N billboard worker stands on a 4.0-m scaffold supported by vertical ropes at each end. scaffold weighs 500-N and the worker stands 1.0 m from one end, wh
When solutions of silver nitrate and magnesium chloride are mixed, silver chloride precipitates out of solution according to the equation 2AgNO3(aq)+MgCl2(aq)→
The following dot plots shows the number of strokes golf players required at each hole .Each dot represents a different player.Order the holes from least to gr
It extends the vertebral column a. Erector spinae b. Vastus lateralis
What is enthalpy? the total concentration of the system the total heat content of the system the total pressure of the system the total internal energy of the s
Which values complete the function?
A bullet is fired straight up from a BB gun with initial velocity 1,120 feet per second at an initial height of 8 feet. Use the formula h=−16t2+v0t+8 to determi