brooklynumfress
brooklynumfress brooklynumfress
  • 15-02-2018
  • Mathematics
contestada

How many solutions does this system of equations have?

Use either the substitution method or the elimination method.

y = 2x + 3

−4x + 2y = 6

Respuesta :

ileepig1p3164i
ileepig1p3164i ileepig1p3164i
  • 16-02-2018
There is one solution.
Just divide the 2nd line by two to get -2x + y= 3, then put it in slope-intercept to get y= -2x + 3
THen
y=2x+3
y= -2x + 3 subtract
4x=0
so x=0
plug in 0 for x
y= 2(0) +3
so y =3.
plug in to check
3=0+3 checkmark
-4(0) +2(3) = 6 checkmark





Answer Link

Otras preguntas

What’s the answer 4x+2y-6z-5y+5z-y
Can you write a paragraph about why parents should monitor their kids online? It has to be pathos and have quotes
Commodus let others destroy the power of the senate. True False
Solve for q. 8.3q = 41.5 q =
I weigh 124 lbs. I’m a 15 year old girl. How many calories should I eat in a day to loose weight?? I want to weigh only 110lbs
What are the Characteristics of theta waves
Emily bought 8 books for a total of $440. math books cost $70 and science books cost $50. how many of each type did she buy
Then foxes barked in the hills and deer silently crossed the fields, half hidden in the mists of the fall mornings. In this sentence, Carson mostly uses a ton
round to the nearest hundredth if necessary. 2 qt =______ mL help me pleaseeeee
Of the elements: b, c, f, li, and na. the element with the highest ionization energy is