anonymous
  • anonymous
solve the system of linear equations by graphing. 2x+y=0 and 5x+y=3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@Jhannybean
Jhannybean
  • Jhannybean
It's easy to graph this equations when we put them in slope intercept form,and that is, \[\large \color{blue}{y=mx+b}\] Let's start with the first equation \[\large 2x+y =0\] subtract 2x from both sides. \[\large -2x + 2x +y = -2x+0 \]Simplify \[\large y= -2x + \color{blue}0 \] now it matches out slope intercept form equation in that the "slope" is \[\large m=-2\]and our b= 0. Now the second equation. \[\large 5x+y = 3\] We can put this into slope intercept form as well. subtract 5x from both sides \[\large -5x + 5x +y = -5x + 3\]Simplify \[\large y = -5x + \color{blue}3\] In this equation,our "b" = 3 and our slope is -5
anonymous
  • anonymous
ok so would the ordered pair then be (3,-5)?

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anonymous
  • anonymous
the two order pairs are (-2,0) and (-5,3) am I correct?
amistre64
  • amistre64
your x should equal 1 .... and then you can find y the point is that a solution to a system of equation can be approximated by finding the point(s) of intersection on a picture
Jhannybean
  • Jhannybean
I'm guessing you're looking for their point of intersection. Yes?
Jhannybean
  • Jhannybean
Ah, ok.
anonymous
  • anonymous
I have to solve this system of linear equations, then write what the ordered pair is and then graph it on a graph
amistre64
  • amistre64
oh, becasue you posted: "solve the system of linear equations by graphing."
anonymous
  • anonymous
sorry that is what it says... but then under it says use the graphing tool to graph the system. What is the solution of the system of equations? Select the correct choice below and if necessary fill in the answer box to complete your choice.
amistre64
  • amistre64
you are going to have to use the graphing tool to plot 2 points and line them in |dw:1371244280586:dw|
anonymous
  • anonymous
the choices are A. ___________(type an ordered pair) B. there are infinitely many solutions C. there is no soluton
Jhannybean
  • Jhannybean
use the two lines we solved for and graph them,then find the intersecting point
anonymous
  • anonymous
but how would i graph them

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