kyraanne30 kyraanne30
  • 01-10-2020
  • Mathematics
contestada

Solve the simultaneous equations y= 2x
y=x^2-4x+8

Respuesta :

Ukmmmmm
Ukmmmmm Ukmmmmm
  • 01-10-2020

Answer:

x =  4

Step-by-step explanation:

y = 2x , y = x^2 -4x +8

=> 2x = x^2 - 4x + 8

6x - x^2 - 8 = 0

(-x^2 + 2.3x - 3^2 ) -1 = 0

( -x-3)^2 - 1= 0

(-x-3)^2 = -1

(-x-3)^2 = (-1)^2

-x - 3 = 1

x =  4

Answer Link

Otras preguntas

The double arros in the balanced equation given indicate that the reaction of a weak acid with water is
Name 5 types of consumer-directed health plans
Convert 8 1/4% to a decimal show the work
A calorimeter is filled with 250.0 g of water at 24.6oC. A 60.0 g sample of a metal at 100.0 oC is dropped in this calorimeter and causes the temperature to inc
What did Eli Whitney do after graduating college?
Find the derivative of the function
help easssssssssssssssssy
Which verb form best completes the following sentence? L’année dernière _______ les lundis, mercredis, et parfois les vendredis. A) je travailles B) je travai
In recent years, __________ by public sector unions, such as those representing teachers and government employees, has come under attack by advocates for small
A bakery uses 3/4 cups of oats to make a 2 4/7 pounds of oatmeal cookies.how many cups of oats are required per pound of cookies