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Do you want to write the equation as y in terms of x?
i don't know :/ the question says to rewrite the equations in standard y=format
ok let's start with the first one |dw:1439391691986:dw| What do you get when you do this?
y^2 and y?
-y+y, that's not y square now is it? for example -3+3 now that's not 3 square
ohhhh ok sorry not good at math
simply like how +5 and -5 cancel out, y and -y will also cancel out |dw:1439391917728:dw|
Does that make sense?
so it becomes |dw:1439392033570:dw|
That you can write out as|dw:1439392066771:dw|
ohh ok i see what you did
I hope you understood it
Let's try the second one ok?
kinda sorta, can you help me the second one to?
|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??
wait wouldn't the second one be y=2x+4
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!
well darn ok
Can you write the next step for me?
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?
are we dividing -2 into 8?
No, we are dividing left and right side by -2 |dw:1439393245929:dw|
Can you divide each term by -2 for me?
so in order it is -2x,-4, and y
good job!!! |dw:1439393486054:dw|
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 :)
so the equation is now y=-2x-4
yep and that is question solved!!, I hope you understood the procedure
i did thank you so much!