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anonymous

  • one year ago

I NEED SOME EMERGENCY HELP WILL MEDAL AND FAN PLEASE!!!! Indicate in standard form the equation of the line passing through the given point and having the given slope. D(5, -2) m = #2ndicate in standard form the equation of the line passing through the given points. B(0, 0), C(4, -4) #3ndicate in standard form the equation of the line passing through the given points. P(6, 2), Q(8, -4) #4Indicate in standard form the equation of the line passing through the given points. G(4, 6), H(1, 5)

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  1. kropot72
    • one year ago
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    What is the value of m for the first part? You appear to have missed typing it.

  2. anonymous
    • one year ago
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    2/5

  3. anonymous
    • one year ago
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    sorry

  4. kropot72
    • one year ago
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    You need to substitute the given values into the equation y = mx + b and rearrange into standard form.

  5. kropot72
    • one year ago
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    This will let you find the value of b which is the y-intercept.

  6. anonymous
    • one year ago
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    okay so 5x-2y=2/3?

  7. anonymous
    • one year ago
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    wait i think im off

  8. anonymous
    • one year ago
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    what am i doing wrong?

  9. kropot72
    • one year ago
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    Substitute the given values into y = mx + b. Then solve to find the value of b. Can you do that as a first step?

  10. anonymous
    • one year ago
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    no i dont think so

  11. anonymous
    • one year ago
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    this is what it looks like _x__y__

  12. kropot72
    • one year ago
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    y = -2, x = 5 and m = 2/5 Plug these values into y = mx + b What do you get?

  13. anonymous
    • one year ago
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    do i x 2/5 and 5?

  14. kropot72
    • one year ago
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    Correct.

  15. anonymous
    • one year ago
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    that would be 2

  16. kropot72
    • one year ago
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    So we should have -2 = 2 + b which needs to be solved to find the value of b.

  17. anonymous
    • one year ago
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    yes

  18. anonymous
    • one year ago
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    ugh i dont know do we x 5 and 2?

  19. kropot72
    • one year ago
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    What do you get for the value of b?

  20. anonymous
    • one year ago
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    10? *I say very unsure*

  21. kropot72
    • one year ago
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    Can you solve -2 = 2 + b to find the value of b?

  22. anonymous
    • one year ago
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    oh wait i felt like it was harder then it was i hope would b be -4?

  23. anonymous
    • one year ago
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    so it would be -2=2+-4?

  24. kropot72
    • one year ago
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    Yes, b = -4. So we now have \[\large y=\frac{2}{5}x-4\] which needs to be rearranged into standard form ax + by = c

  25. anonymous
    • one year ago
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    how would i do that?

  26. anonymous
    • one year ago
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    oh wait

  27. anonymous
    • one year ago
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    whats a?

  28. kropot72
    • one year ago
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    First interchange the left and right sides to give \[\large \frac{2}{5}x-4=y\] Then rearrange to give \[\large \frac{2}{5}x-y=4\] Now you need to remove the fraction by multiplying both sides by 5.

  29. anonymous
    • one year ago
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    oh okay

  30. anonymous
    • one year ago
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    hahaha hold i thats so wrong

  31. anonymous
    • one year ago
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    i hate math

  32. anonymous
    • one year ago
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    10x-y=4?

  33. kropot72
    • one year ago
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    \[\large 5(\frac{2}{5}x-y)=4\times5\] which becomes \[\large 2x-5y=20\]

  34. anonymous
    • one year ago
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    oh lol i feel stupid now

  35. anonymous
    • one year ago
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    thank you soooo much i think now i can figure out the rest now

  36. kropot72
    • one year ago
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    You're welcome :)

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