tyrese6163 tyrese6163
  • 16-04-2021
  • Mathematics
contestada

In the quadratic equation x2 - 8x + a = 0; what is the value, a, in order to form a perfect square?

Respuesta :

devishri1977
devishri1977 devishri1977
  • 16-04-2021

Answer:

16

Step-by-step explanation:

(x - y)² = x² - 2xy + y²

x = x and y = a

2xy = 8x

2*x*a = 8x

     a = [tex]\frac{8x}{2x}[/tex]

a = 4

a²  = 16

Answer Link

Otras preguntas

Gael and Torin don't want to take the garbage out, but their mom said one of them had to. Gael suggests they flip 2 coins to determine who has to do it. If they
Jim rented a truck for one day. There was a base fee of 17.99 , and there was an additional charge of 92 cents for each mile driven. Jim had to pay 161.51 whe
Which equation represents a non linear function
Which number is an irrational number?
how does the body controls pubertyA) The nervous produces gametesB) The endocrine system produces hormonesC) The circulatory system produces proteinsD) the resp
What is the solution of (4x-16) ^ 1/2=36
What was the The Slaughter-House Cases (14 Apr 1873)
Write a number in which the value of the three is 10 times the value of the three in 156.32
Which choice is NOT true about the poem "Midway"? PLEASE I NEED HELP ASAP I'M CONFUSED HERE TOO. THANK YOU!
which of the following represents a chord, but not a diameter, of the circle?