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olya-2409 [2.1K]
3 years ago
12

Find two consecutive numbers if the square root of the smaller number is 3 less than the bigger number.

Mathematics
1 answer:
lianna [129]3 years ago
7 0

Answer:

The numbers are 4 and 5

Step-by-step explanation:

Let

x------> the smaller number

x+1----> the bigger number

we know that

\sqrt{x}=(x+1)-3 ----> equation that represent the situation

solve for x

\sqrt{x}=(x-2)

squared both sides

x=(x-2)^{2}\\x=x^{2}-4x+4\\x^{2}-5x+4=0

using a graphing calculator to solve the quadratic equation

see the attached figure

the solution is

x=4

x+1=5

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