westalexandria
westalexandria westalexandria
  • 04-02-2017
  • Mathematics
contestada

What is the solution to the system of equations?

y = 1.5x – 4

y = –x

Respuesta :

mohsan573
mohsan573 mohsan573
  • 04-02-2017
Red line for y=1.5x-4 
and blue for y= -x

the solution is (1.6  , -1.6)
Ver imagen mohsan573
Answer Link
2018alexdavis 2018alexdavis
  • 04-02-2017
x=1.6, y=-1.6
using substitution,
(replace y in equation 1 with -x from equation 2)
-x=1.5x-4
(make all variables on the same side- subtract 1.5x)
-2.5x=-4
(divide by -2.5 to get x by itself)
x=1.6
(plug x into the second equation to solve for y)\
y=-1.6
Answer Link

Otras preguntas

−4x + y = 6 −5x − y = 21
Which organs are responsible for producing fluid to give sperm nourishment and motility?
Which list of elements is arranged in order of increasing atomic radii? (1) Li, Be, B, C (3) Sc, Ti, V, Cr(2) Sr, Ca, Mg, Be (4) F, Cl, Br, I
Solve (7x + 2)2 = 64
230 + 230 + 230 + 230 = a. 8120 b. 830 c. 232 d. 230 e. 226
The Panama Canal cuts through
A substance that does not conduct electricity as a solid but does conduct electricity when melted is most likely classified as (1) an ionic compound (2) a molec
What is the volume of a cone that has a radius of 4 cm and a height of 9 cm? Use 3.14 to approximate pi and express your answer in hundredths. cm3
what was the last battle of Napoleon?
Which sentence uses a verb that agrees with its subject? A. These peacocks has such lovely feathers B. That baby have the cutest smile in those photographs.