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

PLEASE HELP Read the excerpts. Excerpt from the rough draft of a school newsletter Students are requested to bring empty soda cans and old newspapers to the sc
What is the earliest recorded dynasty in China? (NEED HELP ASAP!)
Theseus and Minotaur how does the author characterize him
Help! Marking Brainliest!
!!!!!!!!!25 POINTS!!!!!!!! What caused many of the Moai at Easter Island to be destroyed?
Unlike eukaryotes, prokaryotes do not have: A. DNA B. cytoplasm C. cell walls D. a membrane bound nucleus
If anyone has read Fahrenheit 451, I need to write a summary about pages 21-29. Can anyone help me with it??
even as an teenager , tubman felt the need to help people around her. what heroic action led to an injury that affected her for the rest of her life
BESTIE HELP FAST !! Which is a graph of y=-3x + 2?
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third