elisestanton elisestanton
  • 25-04-2020
  • Mathematics
contestada

how many solutions does this linear have?
y= 2x+4
x + 2y = 8

Respuesta :

DeanR
DeanR DeanR
  • 25-04-2020

y = 2x + 4

in standard form is

2x - y = -4

Second equation is

x + 2y = 8

Those aren't parallel.

Answer: exactly one solution

Let's solve,

x +2(2x + 4) = 8

5x + 8 = 8

5x = 0

x = 0

y = 2x + 4 = 4

Solution is (0,4)

Answer Link

Otras preguntas

A host is ____. a. a microorganism that produces disease b. ​a localized body response to tissue injury c. ​the antibody-containing portion of the blood fluid d
Anyone know the answer
If you are unable to exercise for the recommended time amount because of scheduling issues or time constraints, then exercise at a higher intensity for a shorte
15 PTS Graph the line: x - y = -1
A 2,000 kg car is moving at 15m/s when it collides with a 1200kg car sitting still. Briefly compare the impulse imparted on the 1200kg car by the 2000 kg car to
Which of the following is true about physical activity? Select one: a. It is limited to sports and exercise only b. In its most basic definition, it refers to a
how does the role of animals in our culture compare with the role depicted in this myth?
Plz helppppppppppppp
what is the genral form of (x-6)2+(y-4)2=56
3c/4 - 2c/4 = 4 (solve with work please)