Papadog45
Papadog45 Papadog45
  • 04-08-2017
  • Mathematics
contestada

the quadratic formula gives which roots for the equation 2x^2+x-6=0

Respuesta :

Aishani
Aishani Aishani
  • 04-08-2017
2x^2 + x - 6 = 0
a=2, b=1, c=-6
x = -b+_ /(b^2 - 4ac) ÷ 2a
+_ (plus minus) / ( square root)
X = -1 +_ /1^2 - 4(2)(-6) ÷ 2(2)
= -1 +_ /49 ÷ 4
= -1 +_ 7 ÷ 4
= 6/4 or -8/4
= 3/2 or -2

Hope it helped!
Answer Link

Otras preguntas

Angioplasty is the most typical treatment for arteriosclerosis. a. True b. False
how do I make 3.0035 into a fraction?
Which of the following is NOT a Google product? Books Scholar You Tube Facebook
Which one of the following choices best represents an example of a positive social impact of a change in behavior? A. Peer pressure B. Attending functions that
Which of these is an appropriate instrument to measure mass? balance burette ruler graduated cylinder
this one got me!! i dont get it someone help me.
The first step to planning a child care center is to a. determine the nature of the need for child care facilities in your community. b. develop your program
Which of the following would reduce wind erosion? limiting irrigation cutting down trees planting vegetation clearing away dead leaves
Walking to work is one way of helping improve air quality. a. True b. False
The amount of energy a person can consume throughout the day without gaining weight is extremely dependent on A. hunger. B. appetite. C. culture. D. activity le