sbarrick sbarrick
  • 18-12-2016
  • Mathematics
contestada

What is the solution of the system of equations?
y = –2x + 8
y = x – 4

Respuesta :

MathisLif3
MathisLif3 MathisLif3
  • 18-12-2016
you could treat it as a matrix and solve it that way
graph and find intersection
etc.
Answer Link
Mehek
Mehek Mehek
  • 18-12-2016
y = –2x + 8 
y = x – 4

Set them to equal to each other to solve for x.

x - 4 = -2x + 8

3x = 12

x = 4

Plug 4 for x in either equation.
 
y = x – 4

y = 4 - 4

y = 0

So (4, 0)
Answer Link

Otras preguntas

what is the source of scandal and rumored to lack compassion
which expression is equivalent to (8a-3b+7)-(2a+b-4)
Solve the following quadratic equation using the quadratic formula. Which of the following expressions gives the numerators of the solutions? 10x^2 - 19x + 6 =
In the movie Oz The Great And Powerful, Why was Theodora turned into the Wicked Witch Of The West?
Tyler returned $500 worth of merchandise within the discount period. The entry to record the return is which of the following?  A. Debit Purchas
A person with a BMI of 30 is considered to be which of the following? obese normal slightly overweight overweight
11x-13y=89 -11x+13y=107 solve with elimination
Which of the following costs are not included in finished goods inventory?
What is the definition of evolution
Find the mean of the following: 158, 213, 107, 213, and 213. If needed, round your answer to the nearest tenth