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

Find the range of each function for the domain {-4, -2, 0, 1.5, 4}. f(x) = -2x - 3
Does the following equation represent growth or decay y=76(1.013)x
the perimeter of a photograph is 30 inches the photograph is 5 inches wide how long is it
square root of 6 minus square root of 7 divided by square root of 6 plus square root of 7[tex] \sqrt{6} - \sqrt{7} \div \sqrt{6} + \sqrt{7} [/tex]
Use the rules of significant figures to answer the following question: 67.31 - 8.6 + 212.198 A. 270.9 B. 271 C. 270.908 D. 270
The "bundle of values" the advertiser presents to the consumer is referred to as the _____.
The sum of digits in a two-digit number is 14. If you double the reversed number and add the result to the original number, the sum would be 222. Find the origi
If the exterior angle of a regular polygon is 72°, how many sides does it have? What is another name for this shape?
I need help ASAP The prefrontal cortex is associated with problem solving hearing movement decay
Give an example to explain that motion is relative in nature