zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

the sum of the squares of two consecutive integers is 9 greater than 8 times the smaller integer. find the integers

解答

t h e s u m o f t h e s q u a res o f tw o co n sec u t i v e in t e g ers i s 9 g re a t er t han 8 t im es t h e s ma ll er in t e g er . f in d t h e in t e g ers

解答

The numbers : 4, 5 or - 1, 0

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x^{2} + (x + 1)^{2} = 9 + 8 x

解

x^{2} + (x + 1)^{2} = 9 + 8 x : x = 4, x = - 1

代入

x = 4 : 5

代入

x = - 1 : 0

The numbers : 4, 5 or - 1, 0

流行的例子

662 is 33.1% of what number?Find the 半径 of a sphere with a volume of 972pi cubic millimeters The sum of two numbers is 11. Twice the smaller number is four greater than the larger number. What are the numbers?Four less than 1/3 of a number is 8 Solve. If necessary, separate your answers by commas. Example: 2,3:1 of 2:The sum of three even consecutive integers is-30 . Find the three