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

Drag the tiles to the correct boxes to complete the pairs.
why did people move to specific towns? A. They united against Native American tribes. B. They all believed in a certain family. C. They united around a s
How can you tell the difference between a plant and an animal cell
Simplify each radical expression. Leave in radical form. Show your work.√ (17+2√22)
Evaluate X-7 when x=12
How many possibilities outcomes are there when you roll a five dice ?
What is something that few words to give the most important parts of a story
Which of the branch of government plays the largest role in interpreting the Bill of rights?
I really need assistanceee. ^•^
Choose all the answers that apply. Sound _____. travels in transverse waves requires a medium to travel through travels most slowly through solids speeds up w