BreaaWilliams BreaaWilliams

15-02-2017
Mathematics

contestada

x^2 = 4x + 4 what is the roots of this equation

Respuesta :

Аноним Аноним

17-02-2017

rearranging:-

x^2 - 4x - 4 = 0

using the quadratic formula for the roots

x = [-(-4) +/- sqrt ((-4)^2 - 4*1* -4) ] / 2
= 4.83 and -0.83

Answer Link

Otras preguntas

A technician working for the Chase-National Food Additive Company would like to estimate the preserving ability of a new additive. This additive will be used fo

Think and answer. Slowly, her back arched, all her hair stood on end, and her eyes grew huge and black with horror at what she saw. Do you think Nira and Niren

What type of plant cell is shown by number 3

Can you solve please

Which of the expressions below has a 7 in the tenths place of the sum? Select all that apply. A) 12.35 + 19.38 B) 9.89 + 4.9 C) 8.135 + 2. 644 D) 3.445 +2.382 P

(-8,-4), (-1, -3), and (0, -2). How do I graph this ?

Determine whether the equation 2+y=x+4 represents a linear or nonlinear function.

3. Mr. and Mrs. Chou file a joint income tax return. Mr. Chou reports the income from his full-time landscaping business on a Schedule C, which lists him as the

What work is done by a forklift raising a 583 kg box a distance of 1.2 m?

A rectangular piece of wood measures 2.4 m by 60 cm by 80cm and has a mass of 32.5kg.What is the density of the piece of wood?( nearest 3 decimal places)