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YanaSidlinskiy

  • one year ago

Relations and Functions y=-4x+3 Complete the table of values for the equation: x: -3, -1, 0, 4 y:

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  1. YanaSidlinskiy
    • one year ago
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    My first step would be: -4(-3) + 3 12+3 Right?

  2. ganeshie8
    • one year ago
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    Yes!

  3. YanaSidlinskiy
    • one year ago
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    Then... -4(-1) + 3 4+3 7 Right?

  4. ganeshie8
    • one year ago
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    Looks good! I'm sure you're going to complete rest of the table just fine

  5. YanaSidlinskiy
    • one year ago
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    -4(0) + 3 0+3 3 -4(4) + 3 -16+3 -13

  6. YanaSidlinskiy
    • one year ago
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    Hopefully, ganeshie! I hope it's correct lol.

  7. ganeshie8
    • one year ago
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    All correct. good job !

  8. ganeshie8
    • one year ago
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    As you can see we just need to follow the simple rules

  9. YanaSidlinskiy
    • one year ago
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    Wait, wait! I think I'm putting the equation up wrong.... Like on my actual worksheet it's y-4x=3 This equation would change all the answers, right? If it will then I did it wrong. Idk why I was switching up everything.

  10. ganeshie8
    • one year ago
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    Yes scratch everything and start over

  11. ganeshie8
    • one year ago
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    \[y-4x~=~3\] is same as \[y~=~4x+3\]

  12. YanaSidlinskiy
    • one year ago
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    How?

  13. YanaSidlinskiy
    • one year ago
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    The 4x is negative... How would it be positive?

  14. ganeshie8
    • one year ago
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    We're given below equation\[y-4x~=~3\] Since it is an equation, adding something to "both" sides won't change it, yes ?

  15. ganeshie8
    • one year ago
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    add \(4x\) both sides : \[y-4x\color{red}{+4x}~=~3\color{red}{+4x}\]

  16. YanaSidlinskiy
    • one year ago
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    Ohhhh, ok! I see! So like even if I had an equation of lets say: y-8x +5 I would get: y= 8x+5 Right?

  17. ganeshie8
    • one year ago
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    thats right!

  18. YanaSidlinskiy
    • one year ago
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    Ahh, ok! What about like if I had lets say umm... y+10x - 5 I'd get: y = -10x - 5 Right?

  19. ganeshie8
    • one year ago
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    Is it \(y+10x-5\) or \(y+10x=5\) ?

  20. YanaSidlinskiy
    • one year ago
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    y+10x= -5 My bad for the confusion.

  21. YanaSidlinskiy
    • one year ago
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    It'd be y = -10x - 5. Is that correct?

  22. ganeshie8
    • one year ago
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    Correct! Notice that you're simply subtracting \(10x\) both sides to get that

  23. ganeshie8
    • one year ago
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    y+10x= -5 subtract 10x both sides y+10x-10x = -5-10x y = -5-10x

  24. YanaSidlinskiy
    • one year ago
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    Yes, yes! Wow! I honestly don't even know what I would have done without you! Wow!! I'm soooo happy I understand this now!!

  25. ganeshie8
    • one year ago
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    takes time, follow the rules and you will be fine :)

  26. YanaSidlinskiy
    • one year ago
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    Yes, definitely. Like I knew I had to do something with the equation, I just didn't know why and how. Like I understand this so much better!!! Thank you!!!

  27. ganeshie8
    • one year ago
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    the most important rule with equations is that you're allowed to add/subtract "same thing" to both sides of an equation.

  28. ganeshie8
    • one year ago
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    np :)

  29. YanaSidlinskiy
    • one year ago
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    Yes, definitely!

  30. YanaSidlinskiy
    • one year ago
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    Well, guess who I'll be coming to next time I need help;) You know it;)

  31. ganeshie8
    • one year ago
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    sure... any time !

  32. YanaSidlinskiy
    • one year ago
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    Alrighty! Thanks again! I appreciate it so much! As of now, I do have to go and move on to the next level of topic.

  33. ganeshie8
    • one year ago
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    just an example, if ``` yana = banana ``` then ``` yana + apple = banana + apple ``` you're allowed to add same thing (apple) to both sides. above both are called equations because they have a "=" symbol in them. both the equations are same.

  34. YanaSidlinskiy
    • one year ago
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    LOL, haha! I'm so going to save that haha! Thanks for that example;)

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