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anonymous

  • one year ago

what yay

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  1. anonymous
    • one year ago
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    @whpalmer4 @Elsa213 @rayman5766 @Teddyiswatshecallsme @uybuyvf @ikram002p @OregonDuck @phi @Astrophysics @sweetburger @DullJackel09 @Freshprince1k @ganeshie8 @KAKES1967

  2. Mehek14
    • one year ago
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    can you attach a pic of the graph? :)

  3. anonymous
    • one year ago
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    yes one sec

  4. Mehek14
    • one year ago
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    when x = 18, y = 0 when x = 21, y = 41.25

  5. Mehek14
    • one year ago
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    so now we use the slope formula

  6. anonymous
    • one year ago
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    41.25-0/21-18

  7. Mehek14
    • one year ago
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    \(\dfrac{41.25-0}{21-18}\)

  8. Mehek14
    • one year ago
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    correct so what does that give you?

  9. anonymous
    • one year ago
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    41.25/3 13.75

  10. anonymous
    • one year ago
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    oh ok thank you!!

  11. Mehek14
    • one year ago
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    correct so your answer is C and yw ^_^

  12. anonymous
    • one year ago
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    can u help with one more

  13. Mehek14
    • one year ago
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    sure

  14. anonymous
    • one year ago
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    i think its A

  15. Mehek14
    • one year ago
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    |dw:1439325900496:dw| the circles are the solutions

  16. Mehek14
    • one year ago
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    so all you have to do is look at the x value for the solution

  17. anonymous
    • one year ago
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    are u sure?

  18. Mehek14
    • one year ago
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    |dw:1439325947028:dw|

  19. Mehek14
    • one year ago
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    so you can see x = -5

  20. Mehek14
    • one year ago
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    and x = 0.9

  21. anonymous
    • one year ago
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    oh nvm you're right!

  22. Mehek14
    • one year ago
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    I don't know how you got A...

  23. anonymous
    • one year ago
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    i know lol i messed up

  24. anonymous
    • one year ago
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    ok i swear last question

  25. Mehek14
    • one year ago
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    ok ^_^

  26. Mehek14
    • one year ago
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    do you know FOIL?

  27. anonymous
    • one year ago
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    i don't use that method in school

  28. Mehek14
    • one year ago
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    but do you know how to use it?

  29. anonymous
    • one year ago
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    no

  30. Mehek14
    • one year ago
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    |dw:1439326208401:dw|

  31. anonymous
    • one year ago
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    ohh yea i always use that i just don't call it FOIL

  32. Mehek14
    • one year ago
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    \((2x+2)(2x+3)=7\)

  33. anonymous
    • one year ago
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    4x^2+10x+6=7

  34. anonymous
    • one year ago
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    4x^2+10x-1=0

  35. Mehek14
    • one year ago
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    \(2x*2x=4x^2\\2x*3=6x\\2*2x=4x\\2*3=6\\4x^2+10x+6=7\)

  36. Mehek14
    • one year ago
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    correct you subtract 6-7 = -1

  37. anonymous
    • one year ago
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    ok thanks for your time and help!!

  38. Mehek14
    • one year ago
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    your welcome ^_^

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