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

Possible interaction between oxygen molecule and water is ______________.
World War 1: In what ways did World War I mark the beginning of a new role for the US on the world stage? Provide TWO examples in paragraph form to support your
A triangle has sides of 10.5 inches, 7.4 inches and 6.3 inches. The perimeter of the triangle is ___ inches.
What is the center of the circle described by the equation (x - 2)^2 +(y + 7)^2 =169 A (2, 7) B (-2, -7) C (2, -7) D (-2, 7)
Find the value of x. Write your answer in simplest form.
Which would NOT likely be used as evidence of evolution?
WILL MARK BRAINLIST PLS HELP:))
Complete the sentences with the correct verb/conjugation.
Tomando como referencia que los ángulos opuestos por el vértice son iguales. Obtén el valor de los ángulos que se te solicitan a = 143o b= c= d= e= f= g=
French fries at canyons restaurant cost three dollars and the cost increases by 2% every year what will the cost be the french fries in five years