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

Which is the ratio of the number of months that begin with the letter N to the total number of months in a year
Is it a right triangle? And how to you find the points in the slope?
how did the Spanish Supply most of the labor for early colonial plantations
why did king write the letter from Birmingham jail
Someone please help me with 6 and 7 and please show work
-1 3/5 divided by (-2/3)
Is it that you practice an activity after-school care? Which practices you do and why? If you don't have activity extra-curricular, what is it that you would li
Which of the following is an advantage of the sole proprietorship form of ownership? A. Unlimited liability B. Control over the business C. Limited liability D
TRUE OR FALSE: a person who practices delayed gratification is taking a step toward improving his or her health
Ist the three states of matter in order of increasing molecular disorder.