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

Round each number to the nearest ten and the nearest hundred. The numbers are 562, 827 ,194 ,708
Maria is having a party and wants to have 100 ballons. it takes 4 minutes to blow up and tie a balloon. If 5 people are blowing for the party, how long will
Which powers are solely at the state level?
Electromagnetic waves differ in
Mark each statement if it correctly describes facts about China during the Sui dynasty. A. Under the Sui dynasty, China entered a golden age. B. The Sui
Which entity has the power to exercise exclusive powers in the United States? A. state government B. city government C. national government D. the people
Which sentence correctly uses subject-verb agreement? Neither clowning nor krumping requires a strong background in dance. Neither clowning nor krumping require
What is the molar mass, in grams, of a mole of an element equal to? A. The number of electrons B. The atomic weight of the element C. The atomic number of the
The amount of energy that is transferred at each level of the food chain is about _____. 1% 10% 50% 90%
what is the least common multiple of 8 and 14