anonymous
  • anonymous
rewrite in standard y-format 2x-y-6=0 4x+2y+8=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@Nishant_Garg
anonymous
  • anonymous
@David27
anonymous
  • anonymous
@phi @Math.Is.My.Life @Nishant_Garg @sohailiftikhar

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anonymous
  • anonymous
Do you want to write the equation as y in terms of x?
anonymous
  • anonymous
i don't know :/ the question says to rewrite the equations in standard y=format
anonymous
  • anonymous
ok let's start with the first one |dw:1439391691986:dw| What do you get when you do this?
anonymous
  • anonymous
y^2 and y?
anonymous
  • anonymous
-y+y, that's not y square now is it? for example -3+3 now that's not 3 square
anonymous
  • anonymous
ohhhh ok sorry not good at math
anonymous
  • anonymous
simply like how +5 and -5 cancel out, y and -y will also cancel out |dw:1439391917728:dw|
anonymous
  • anonymous
Does that make sense?
anonymous
  • anonymous
sorta yes
anonymous
  • anonymous
so it becomes |dw:1439392033570:dw|
anonymous
  • anonymous
That you can write out as|dw:1439392066771:dw|
anonymous
  • anonymous
ohh ok i see what you did
anonymous
  • anonymous
I hope you understood it
anonymous
  • anonymous
Let's try the second one ok?
anonymous
  • anonymous
kinda sorta, can you help me the second one to?
anonymous
  • anonymous
yep!
anonymous
  • anonymous
|dw:1439392238541:dw| Can you think of what you should add to both the left and right side to separate y?? Like last time we had y, so we added -y or rather subtracted y this time we have 2y, so we will subtract how many y??
anonymous
  • anonymous
2?
anonymous
  • anonymous
wait wouldn't the second one be y=2x+4
anonymous
  • anonymous
Sorry, I was looking up something so I forgot about you, but yeah, you must subtract 2y, also your equation is unfortunately wrong, but we will work that up!
anonymous
  • anonymous
well darn ok
anonymous
  • anonymous
|dw:1439392824716:dw|
anonymous
  • anonymous
Can you write the next step for me?
anonymous
  • anonymous
|dw:1439392869112:dw|
anonymous
  • anonymous
so we have |dw:1439393082859:dw| Now there's the problem, we want an equation for y, not for -2y! But we can always divide both sides of an equation by any number we have, what if we divided both the sides by -2 here?
anonymous
  • anonymous
are we dividing -2 into 8?
anonymous
  • anonymous
No, we are dividing left and right side by -2 |dw:1439393245929:dw|
anonymous
  • anonymous
Can you divide each term by -2 for me?
anonymous
  • anonymous
so in order it is -2x,-4, and y
anonymous
  • anonymous
good job!!! |dw:1439393486054:dw|
anonymous
  • anonymous
You can again flip left and right side if you want, it's the same thing, but the point is you have an equation of y in terms of x :)
anonymous
  • anonymous
so the equation is now y=-2x-4
anonymous
  • anonymous
yep and that is question solved!!, I hope you understood the procedure
anonymous
  • anonymous
i did thank you so much!

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