sanaamorris94 sanaamorris94
  • 12-06-2022
  • Mathematics
contestada

y=8-x
2x^2 + xy= -16

this is A simultaneous equation
​

Respuesta :

mani82ebra
mani82ebra mani82ebra
  • 12-06-2022

Answer:

y=8-x→y+x=8

2x²+xy=-16→x²+xy=-x²-16

→x(x+y)=-x²-16→8x=-x²-16→x²+8x+16=0

→(x+4)²=0→x=-4→y=12

Answer Link

Otras preguntas

how to convert 11/50 into a percent
Those who exercise regularly have a milder physical stress response than nonexercisers.
Which phrase from “Meeting at Night” contains alliteration? A. “the yellow half-moon large and low” B. “the two hearts beating each to each” C. “As I
what is 363 rounded to the nearest tenth
Which website is most likely to be a trustworthy source of information on the dangers of tobacco use
5 x (-6 x 8) = 5 (-6)) x 8 what property is this? ^^ kinda confused..
how taxation and legislation impact positively and negatively on insurance company
Find the slope of the line that contains the following pair of points. (1, 2), (5, 2)
15 1/3 is 33 1/3% of what number?
You can represent the hands on a clock at 6:00 as opposite rays. Estimate the other 11 times on a clock that you can represent as opposite rays? please explain.