Papadog45 Papadog45

04-08-2017
Mathematics

contestada

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

Respuesta :

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

Two numbers that multiply to minus 48 and add up to 13?

lewis acids and bases are most closely associated with which process?

Please help with any of these

how to goods get transported around fiji?

what are the most common elements in a canyon?

Find the difference between 75.291 an 56,487. Use (only one) distributive, associative, commutative or identity property.

what type of pronoun appears in the following excerpt from Walden: "Under the most splendid house in the city is still to be found the cellar where they store t

when editing your draft, how can you use underlining to include sentences of varying length?

Ben is 3 times as old as Daniel and is also 4 years older than Daniel. how old is daniel

people with a lactose intolerance are able to take products such as lactaid that contain the lactase enzyme with their meals. these products can be taken in pil