midnightblack1405
midnightblack1405 midnightblack1405
  • 03-12-2021
  • Mathematics
contestada

Solve for x.
[tex]\sqrt{x+16} = x-4[/tex]

x = 0 or x = 9
x = 9
x = 8
no solution

Respuesta :

l6rdx
l6rdx l6rdx
  • 03-12-2021
The answer is x=9
Explanation: x + 16 = x^2 - 8x +16
x = x^2 - 8x
9x - x^2 = 0
X x (9-x) = 0
Answer Link
25stringershea
25stringershea 25stringershea
  • 03-12-2021
hint- start with just simple adding first!
Answer Link

Otras preguntas

Jonathan has been on a diet since January 2013. So far, he has been losing weight at a steady rate. Based on monthly weigh-ins, his weight, w, can be modeled by
In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)
Explain how engineers and scientists may work together to produce a protein in the lab.
what describes the solvent in any solution
Why does a pendulum eventually stop swinging?
would you rather be a senator or a representative member? why or why not?
Explain how engineers and scientists may work together to produce a protein in the lab.
A pack of 9 toilet rolls costs £4.23 A pack of 4 toilet rolls costs £1.96 Which pack gives the better value for money? You must show all your working.
Factor completely, the expression: 2x^3-2x^2-12x
copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent