answermyquestion777 answermyquestion777
  • 07-06-2017
  • Mathematics
contestada

Which ordered pair is a solution to the system of equations? A (1,3) B (7, -5) C (8,2) D (-2, -3)

Which ordered pair is a solution to the system of equations A 13 B 7 5 C 82 D 2 3 class=

Respuesta :

Аноним Аноним
  • 07-06-2017
2x - y = -1
2x - 4y = 8
-------------------subtract
3y = -9
y = 3

2x - y = -1
2x - 3 =-1
2x = 2
x = 1

solution (1,3)
so answer A

You got it right
Answer Link

Otras preguntas

Give example of new technology and ideas that contributed to change during this period
PLEASE HELP!!!!! I THINK IT IS 1/6 BUT I DONT KNOW THE QUESTION IS FIND THE SLOPE OF Y=1/6X +3/2 OR SEE THE ATTACHMENT ILL GIVE 30 POINTS AND BRAINLIEST
12(x+1/6)=8 solve for x
what is the factored form of -40+2×^2-2x​
Jim and Kelly are having difficulties in teaching their 3-year-old son, Ryan, how to practice proper table manners. Ryan routinely picks up his food and drops i
Solve for side c if side a = 30ft and side b = 40ft
What is the core charge of be
This I believe by Hillsong is so it it’s so good go listen to it!!!
which list shows the phase of mitosis in the correct order
4. A rectangular strip of aluminum, 30 cm long and 10 cm wide, is rolled into the form of a cylinder. Which would have the greater volume, a cylinder 10 cm high