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 number can you use to divide 47.5 over 190 when reducing and what number can you use  to divide 100 over 400 whe dividing
How to solve 5/6k=1/6
use wins in a sentence
What type of rock does preexisting rock become
Maya works 16 hours per month at her part-time job earning $6.75 per hour. She earns some additional money house sitting for neighbors and friends. Maya charges
Which value of n makes the following equation true? 4 1/2 x 2 2/3=(4 1/2 x n) + (4 1/2 x 2/3)
Every 6 seconds a pendulum completes 1 cycle. What are the period and frequency of this pendulum?
what number can you use to divide 47.5 over 190 when reducing and what number can you use  to divide 100 over 400 whe dividing
what number can you use to divide 47.5 over 190 when reducing and what number can you use  to divide 100 over 400 whe dividing
8x-2(x+1)=2(3x-1) A.0 B.2 C.no solution <-- that's what I think it is. D.identity. Can someone check my answer