DrWhoTardis
DrWhoTardis
02-06-2015
Mathematics
contestada
solve for x: 2xsquared+4x-16=0
Respuesta :
Panoyin
Panoyin
02-06-2015
2x² + 4x - 16 = 0
2(x²) + 2(2x) - 2(8) = 0
2(x² + 2x - 8)
=
0
2 2
x² + 2x - 8 = 0
x =
-(2) ± √((2)² - 4(1)(-8))
2(1)
x =
-2 ± √(4 + 32)
2
x =
-2 ± √(36)
2
x =
-2 ± 6
2
x = -1 ± 3
x = -1 + 3 U x = -1 - 3
x = 2 x = -4
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Of mice and men major conflicts and obstacles?
What includes carbohydrates proteins fats and minerals?
________ believe that they can have more influence in state politics if they become a force to be reckoned with within the republican party.
Bob bought some land costing $16,090. today, that same land is valued at $46,217. how long has bob owned this land if the price of land has been increasing at 6
Zappos trains, educates, and gives its employees the knowledge to make decisions in the workplace. this philosophy is referred to as
Polarity of a molecule depends on the polarity of individual bonds in that molecule. a. True b. False
Jake developed a study plan for his graduate record examination and completed his paper on tuesday. according to the steps in problem solving, the next immediat
An axiom in Euclidean geometry states that in space, there are at least (2,3,4,5) points that do(lie in the same plane,not lie on the same plane, or lie on the
Can someone please help me with this question and explain how they got the answer, thank you :)
While walking through the forest, you come across a plant that bears flowers with 3 petals leaves and has parallel veins. what kind of plant is this most likely
