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pokiedokie

  • one year ago

I have to rewrite these equations in slope-intercept form, am I correct? -4x + 6y = 18 and 3y + x = 5

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  1. PokieDokie
    • one year ago
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    for -4x + 6y = 18 I rewrote it to: y = 18 - 4x + 6y

  2. PokieDokie
    • one year ago
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    I'm about 99.9% sure I got that incorrect, can someone help?

  3. ckallerid
    • one year ago
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    It's a bit off. If I remember correctly in slope intercept form you're supposed to isolate the y. Do you know what PEMDAS is?

  4. PokieDokie
    • one year ago
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    yes i do, so I solve y first and use PEMDAS?

  5. ckallerid
    • one year ago
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    well kinda... You need to be doing both at the same time.

  6. PokieDokie
    • one year ago
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    that's what i meant aaah sorry

  7. ckallerid
    • one year ago
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    Its alright lol

  8. ckallerid
    • one year ago
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    so first just start by adding 4x to both sides It will come out as \[6y = 4x +18\]

  9. ckallerid
    • one year ago
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    Divide 6 to both sides \[y = \frac{ 4x }{ 6 } + \frac{ 18 }{ 6 }\]

  10. ckallerid
    • one year ago
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    simplify \[y = \frac{ 4x }{ 6 } + 3\] And you have that answer

  11. PokieDokie
    • one year ago
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    oh okay! so we leave the fraction as is then?

  12. ckallerid
    • one year ago
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    yup

  13. ckallerid
    • one year ago
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    same with the other one. 3y + x = 5 Subtract x from both sides 3y = -x + 5 Divide 3 to both sides y = -x/3 + 5/3 You can't simplify on this one sooooo that's the answer!

  14. PokieDokie
    • one year ago
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    thank you so much!! i tried the 2nd one and ended up getting it correct like you said. I understand it much better now ty!

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