welikefortnitecough welikefortnitecough
  • 13-05-2021
  • Mathematics
contestada

The square of a certain number is 4 less than 4 times that same number. What is the value of the number?

Select one:
A. -2
B. -1
C. 0
D. 2

Relax

Respuesta :

fetgp
fetgp fetgp
  • 13-05-2021
x^2 = 4x - 4
turn it into a quadratic by bringing the right to the left
x^2 - 4x + 4 = 0
factorise the quadratic
( x - 2 )^2 = 0
x - 2 = 0
x = 2
Answer Link

Otras preguntas

Explain why or why not 19.7 is reasonable value for the expression 122.14 divided by 6.2
how is functional text used in everyday life
Vertical structural members that exterior wall sheathing and siding may be attached to are called:
Why is Mary Shelley's novel Frankenstein considered a work of science fiction when it is a representative work of the gothic genre? A- Many scientific theories
que genero literario es el corto de: Ante la ley?
What was McDuffie's racial argument for slavery
True or false: under the employment-at-will doctrine, it is legal to fire an employee for a reason unrelated to job performance.
Round 963.57 to the nearest tenth
find the greatest commun factor of each set of numbers 24, 26 and 84
Alyssa and Caleb drove 210 mikes to the beach in separate cars. They left at the same time. They both drove at a constant speed. Alyssa drove 105 miles in 3.5 h