darkbria1
darkbria1 darkbria1
  • 09-01-2017
  • Mathematics
contestada

determine if the given point is a solution to the system

determine if the given point is a solution to the system class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 09-01-2017
(4,-8) and the equatons are y=-2x and 3x+y=-4

sub them to see if true
(x,y)
(4,-8)
x=4
y=-8

first one
y=-2x
-8=-2(4)
-8=-8
true

2nd one
3x+y=-4
3(4)+(-8)=-4
12-8=4
4=4
true

it is a solution
Answer Link

Otras preguntas

for the functions f(x)=2x-6 and g(x)=5x+1 Which conposition produces the greatest output?
A chef bought some green and red peppers she bought 18 green peppers which was 3/4 of the total number
What would happen if a person ran a race and her muscles carried out alcoholic fermentation instead of lactic acid fermentation?
Which transition is used to show time? (A). immediately (B). beside (C). conversely (D). thus
In things fall apart why does the priestess take enzinma to the oracle?
As more bulbs are connected in series in a circuit, what happens to the brightness with which each glows?
the first method of determining the chemical composition of substances in space was to
asap please! 1. ¿Vives cerca de (near) una granja? 2. ¿Te gustan los animales? 3. ¿Cuál es tu animal favorito (de la granja)? ¿Por qué? 4. Describe tu animal
How many vertices does a cuboid, square based pyramid, triangular based pyramid and triangular prism have??
Please help with my homework please