en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

prove that the product of the two consecutive integers is divisible by 2

Solution

prove that the product of the two consecutive integers is divisible by 2

Solution

The numbers : 1, 2 or - 2, - 1

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 2

Solve

x (x + 1) = 2 : x = 1, x = - 2

Plug in

x = 1 : 2

Plug in

x = - 2 : - 1

The numbers : 1, 2 or - 2, - 1

Popular Examples

seven is equivalent to eleven plus a number The radius of a circle is 18 inches. What is the circle's circumference?Cody and Riley deposit 500.00 into a savings account which earns 14% interest compounded annually. They want to use the money in the account to go on a trip in 3 years. How much will they be able to spend?George invested 27,700 at 9% to be compounded daily. What will be the value of George's investment in 3 years?fifteen less than the square of a number is the same as twice the number