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

We eat so that we may live change into simple
does right circular cone have apex?
Trevor Noah Book Born and crime
how much large gravel is needed to cover 290 meters if the large gravel is 29.62 tons per meter
Bonnie invests a sum of money for 3 years at an interest rate of 4.5%, gaining $9.45 in interest. What was the total sum of money invested by Bonnie?
Ramona told Edward that she was pregnant by him and wanted him to marry her. He did so, relying on her statement. Later, she learned that she was not pregnant w
Two experimental runs are performed to determine the calorimetric properties of an alcohol that has a melting point of -10°C. In the first run, a 200-g cube of
How do i write n=600/p-5 inversed?
2x+y=8 graphed, how the you rearrange the numbers and variables to where its y equals
Which of the following solutions can act as a buffer solution? a) Distilled waterb) Pure hydrochloric acidc) Acetic acid and sodium acetated) Sodium chloride so