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

What is 34 divided by 67?
How would you convert 93/20 to a decimal?
John has three pieces of rope. One piece was 31 cm long, one piece was 0.33 m long, and one piece was 0.45 m long. John wants to know how much rope he has.
Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in __________ in small
I WILL GIVE U THE BRAINLIST PLEASEE HELPPPPP!!!!!!!!!!! 1)why did the framers insist that federal judges be appointed for a lifetime of service? A)they wanted a
Help me with 15 16 17 and 18 please thank you so much
In any industry, ethical behavior is the responsibility of ______. a. Each company b. Each employee c. Each supervisor d. Each customer
What types of interest groups are the ada and the acu? why do you categorize them that way?
What is the process of changing a liquid into a gas?
what is 42 times 3/7 equal