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

prime factorization of 293 in expanded form?

A cat spends about 7 out of 10 hours sleeping. About what present of the cats day is spent sleeping

Whom did Thomas Jefferson call servants of the people? A) slaves B) delegates C) kings D) soldiers

The pancreas plays a critical role in __________. a. the absorption of nutrients b. the digestion of vitamins c. the elimination of enzymes d. the breakdown

how did the French and Indian war draw the colonist closer together but increase friction with Britain

After a bill has been introduced, what happens next? It is debated on the floor. It is sent to the other house. It is reviewed in committee. It is approved b

what is 1/10 of 90000

Which sentence has a misplaced adjective phrase? a. The antique chair in the dining room is creaky. b. The old antique shops along Main Street are fun to expl

How were Southern plantations able to meet the demand for more cotton in the 1800s

Which sentence uses punctuation correctly? a. Beneath the tall, tree the family ate a picnic of fruit and muffins. b. Beneath the tall tree the family ate, a