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

As a direct contact with European explorers, the Native American population a. tripled b. declined c. moved away d. propered
What is one primary religion and one minor religion jews practice.
Why do more than 90 percent of the people in China live in the eastern third of the country? A. The Gobi Desert makes the north central area unfit for agricult
what does foreshadowing provide the reader in a story?
How do you find the slope of a line perpendicular to a given line?
7 reason why kids should not have only 20 minutes of lunch?
a compass is important to have on a map because it shows _____.
twice x, plus 5 is the same as -14
the history of militarism
a tool that is regularly sold at 18.50 is on sale for 20% off how much is the sales price