jcarlos4567 jcarlos4567
  • 01-06-2017
  • Mathematics
contestada

find the discriminat of each quadratic equation then state the number and type of solutions

Respuesta :

ghanami
ghanami ghanami
  • 01-06-2017
hello : 
the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is :
Δ = b² -4ac
1 )  
Δ > 0  the equation has two reals solutions : x =  (-b±√Δ)/2a
2 ) Δ = 0 : one solution : x = -b/2a
3 ) Δ < 0 : no reals solutions
Answer Link

Otras preguntas

What is 4x to the power of 3, if x is 4
it takes Zoe 1\16 of an hour to write 1 thank you card. How many cards can she write in 3\4 of an hour
14) Which of these is a role of Congress?
If Word finds a potential error in a document, a red, green, or blue wavy underline flags the problem. a. True b. False
The former Soviet Union broke into separate states.
Explain when you know you need to rename a mixed Number to subtract.
The 29 began leaving Vietnam after which of the following battles? A. Da Nang B. the Bay of Pigs C. the Inchon invasion D. Dien Bien Phu
People who have been drinking tend to ___________ their ability to tolerate alcohol. A. understand B. underestimate C. overestimate
How did Shang develop a Chinese language?
What is the LCD of 6/7, 3/5, and 1/4? A.33 B.70 C.100 D.140