beautifulmaryam
beautifulmaryam beautifulmaryam
  • 14-02-2017
  • Mathematics
contestada

How many and what type of solutions does the equation have? 2k² = 9 + 3k

Respuesta :

Аноним Аноним
  • 14-02-2017
2k² = 9 + 3k 
⇒
2k² - 9 - 3k = 0
⇒ 2k² - 3k -9 = 0

b² - 4ac = 3² - 4*2*(-9) = 81>0

It has 2 real roots.
Answer Link

Otras preguntas

The class test scores from the Unit test are the follow: 82, 72, 67, 80, 58, 92, 78, 80, 75, and 76. What is the mean of these test scores? Find the standard
The recommended inflation of a car tire is no more than 35 pounds per square inch depending on the weather conditions actual reading of the tire pressure could
DATUK168 : RTP POLA GACOR HANYA DI DATUK 168 REKOMENDASI DARI INFINI88 !!!
Which of the following is a stage in the rational model of strategic development? Business strategy Strategic planning Strategic options Operational strateg
The letters of the word COMPUTER are arranged in all possible ways. Find the total number of words with or without meaning that can be formed
Though which conversion is energy released?
Express the inequality using interval notation
Asa received scores of 85 ,81 82 ,84 Asa's average was 80 after the next how many marks did score after the next two test
The UCC shifted the emphasis from title to risk of loss because it was often difficult to tell exactly when the title was passed from the seller to the buyer?a)
Because of its side effects, when is Clozapine (Clozaril) reserved for use in treatment?