Ciarap0521 Ciarap0521
  • 22-12-2016
  • Mathematics
contestada

Find three consecutive positive integers such that the square of the first is equal to the Third

Respuesta :

texaschic101
texaschic101 texaschic101
  • 22-12-2016
3 consecutive positive integers : x, x + 1, x + 2

x^2 = x + 2
x^2 - x - 2 = 0
(x + 1)(x - 2) = 0

x + 1 = 0
x = -1....this is an extraneous solution that does not work

x - 2 = 0
x = 2

check...
square of the first = third
x^2 = x + 2
2^2 = 2 + 2
4 = 4 (correct)

so ur 3 integers are 2,3, and 4
Answer Link

Otras preguntas

Which describes this line from the little brown bat's poem about the owl?"The owl goes back and forth inside the night" A.It is written in iambic pentameter. B
what jobs did Mayan slaves do
what two numbers multiply to get -27 and add to 6
The steps of the DNA ladder are made of _____?
Mammals and birds are able to maintain relatively constant body temperatures. In cold weather, their internal temperatures could be many degrees warmer than the
Nitrogen gas has the chemical formula N2. One molecule of nitrogen gas is made up of? help
Which additional words in the sentence should be capitalized? When I took a trip to france last summer, I visited paris and saw the eiffel tower. Choose all ans
Which of these adjectives best defines an interlude? spiritual instructive witty bawdy somber
from the set {1,5,7,or none of them} using substitution to determine the value of x if its 14x + 9=79
the mix for a fruit juice is 50% water ,the remaining is orange ,apple and mango juice in the ratio 3:2:1.how much of ingredient is required to make 36litres of