saraitzelrb74 saraitzelrb74
  • 25-09-2019
  • Mathematics
contestada

(1,-4) x-2y=8
4x-y=8

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 26-09-2019

Answer:

False solution; [1⅐, -3 3⁄7]

Step-by-step explanation:

{x - 2y = 8

{4x - y = 8

-¼[4x - y = 8]

{x - 2y = 8

{-x + ¼y = -2 >> New Equation

____________

-1¾y = 6

y = -3 3⁄7 [Plug this back into both equations to get the x-coordinate of 1⅐]; 1⅐ = x

I am joyous to assist you anytime.

Answer Link

Otras preguntas

B is the midpoint of segment AC; AB = 8x, and AC = 4x + 48. What is BC?
Ferdinand Magellan is credited with being the first person to _______________________________________, or travel entirely around, the globe.
HELP ME I WILL GIVE YOU 50 POINTS!!! How were the intellectual achievements of the Maya similar to that of the ancient river valley civilizations?
im confused on how to solve this
forty percent of the cases were monochromatic and the rest were variegated. if 2400 vases were variegated how many were monochromatic
The midpoint of AB is M(3,0). If the coordinates of A are (2,4), what are the coordinates of B?
Read the excerpt from "Tools of the Spymaster." The author's purpose in this excerpt is to The numbers that Major Tallmadge assigned to members of the Culper Ri
Find the sum or difference: 3(x+4y)-2(2x-7y) Please solve
what is .2272 as a percent?
Many of the largest cities in Southwest Asia are located on or near Group of answer choices major rivers deserts mountain ranges large grasslands