tylerequitz tylerequitz

13-07-2022
Mathematics

contestada

What is the solution of √x+ 12 =
= x?
O x = -3
O x = 4
O x = -3 or x = 4
Ono solution
PLEASE HELP

Respuesta :

suspho9 suspho9

13-07-2022

Answer:

x₁ = 4

(x₂ = -3)

Step-by-step explanation:

√(x + 12) = x

x + 12 = x²

x² - x - 12 = 0

Δ = 49

x = (1 ±√Δ)/2

x₁ = 4

x₂ = -3

the right solution is 4 this can be seen by inserting the solutions found in the starting equation

Answer Link

Otras preguntas

3 ( y - 1 ) = 2 ( y + 1 )

show how the shape was dissected for the given calculation

sorry never mind pls just ignore me

How were the economies of the North and South interdependent? (early 1800s)

A group of marine scientists introduced a species of fish into an artificial habitat and wanted to determine whether it will grow well in the new environment.

Under the Fair Credit Reporting Act, credit bureaus are required to report information accurately and to remove or correct information that is outdated or inacc

write the statement as an equation as an equation in two variables the y-value is -5 decreased by six times the x-value

Imagine you were a reporter who had been asked to write a news article on kristallnacht

In the trapezoid ABCD ( AB ∥ CD ) point M∈ AD , so that AM:MD=3:5. Line l ∥ AB and going through point M intersects diagonal AC and leg BC at points P and

Select all the measures of central tendency and measures of variability that are affected by outliers. mean median mode range interquartile range mean absolute