kiya36 kiya36
  • 04-05-2017
  • Mathematics
contestada

Quadratic formula to solve

Quadratic formula to solve class=

Respuesta :

ghanami
ghanami ghanami
  • 04-05-2017
hello :
7c²+8c+1 = 0
the discriminant Δ = b²-4ac      a = 7     b= 8     c = 1
Δ = 8²-4(7)(1)  = 64-28 = 36 = 6²
x1 = (-8-6)/14     x2 = 
 (-8+6)/14
x1 =-1   x2 = -1/7
Answer Link

Otras preguntas

I'm needing some help with number 13 and 14.
(1.33)sin 25.0= (1.50)sin 0 0=?
Why does George Washington Support the Constitution? To what does "a Constitutional door is left open" refer?
The higher the amplitude of the wave, the greater its intensity and the greater its loudness.
S= 2Lw+2wh+5hL solve for h
Complete the proof with the statements and reasons below. Write the letter of the statement or reason in the box. Statments: 1) 2) 3) 4) 5) x=15 Reasons: 1) Giv
Water makes up a large percentage of the body’s cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The
1. The first true digital computer was designed by: (10 points) Ada Lovelace Charles Babbage, an English mathematician John von Neumann Bill Gates 2. In the ear
0.75 = 0.750 are they equal
Which word is masculine? el día la gratitud la decisión la certidumbre